Vulnerability-Lookup

ubuntu-cve-2026-1539

Vulnerability from osv_ubuntu

Published

2026-01-28 16:16

Modified

2026-07-09 15:15

Summary

Details

A flaw was found in the libsoup HTTP library that can cause proxy authentication credentials to be sent to unintended destinations. When handling HTTP redirects, libsoup removes the Authorization header but does not remove the Proxy-Authorization header if the request is redirected to a different host. As a result, sensitive proxy credentials may be leaked to third-party servers. Applications using libsoup for HTTP communication may unintentionally expose proxy authentication data.

Severity

5.8 (Medium)


                    
                      CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N

5.8 (Medium)


                    
                      CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N

N/A (UNKNOWN)


                    
                      medium

References

URL

Type

	https://ubuntu.com/security/CVE-2026-1539	REPORT
	https://www.cve.org/CVERecord?id=CVE-2026-1539	REPORT
	https://access.redhat.com/security/cve/CVE-2026-1539	REPORT
	https://ubuntu.com/security/notices/USN-8020-1	ADVISORY

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "gir1.2-soup-2.4",
            "binary_version": "2.52.2-1ubuntu0.3+esm6"
          },
          {
            "binary_name": "libsoup-gnome2.4-1",
            "binary_version": "2.52.2-1ubuntu0.3+esm6"
          },
          {
            "binary_name": "libsoup2.4-1",
            "binary_version": "2.52.2-1ubuntu0.3+esm6"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:16.04:LTS",
        "name": "libsoup2.4",
        "purl": "pkg:deb/ubuntu/libsoup2.4@2.52.2-1ubuntu0.3+esm6?arch=source\u0026distro=esm-infra-legacy/xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.50.0-2debian1",
        "2.52.1-1",
        "2.52.2-1",
        "2.52.2-1ubuntu0.1",
        "2.52.2-1ubuntu0.2",
        "2.52.2-1ubuntu0.3",
        "2.52.2-1ubuntu0.3+esm1",
        "2.52.2-1ubuntu0.3+esm2",
        "2.52.2-1ubuntu0.3+esm3",
        "2.52.2-1ubuntu0.3+esm4",
        "2.52.2-1ubuntu0.3+esm5",
        "2.52.2-1ubuntu0.3+esm6"
      ]
    },
    {
      "ecosystem_specific": {
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            "binary_name": "gir1.2-soup-2.4",
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          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:18.04:LTS",
        "name": "libsoup2.4",
        "purl": "pkg:deb/ubuntu/libsoup2.4@2.62.1-1ubuntu0.4+esm7?arch=source\u0026distro=esm-infra/bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.60.1-1",
        "2.60.2-1",
        "2.60.2-2",
        "2.60.3-1",
        "2.61.90-1",
        "2.62.0-1",
        "2.62.1-1",
        "2.62.1-1ubuntu0.1",
        "2.62.1-1ubuntu0.3",
        "2.62.1-1ubuntu0.4",
        "2.62.1-1ubuntu0.4+esm1",
        "2.62.1-1ubuntu0.4+esm2",
        "2.62.1-1ubuntu0.4+esm3",
        "2.62.1-1ubuntu0.4+esm4",
        "2.62.1-1ubuntu0.4+esm5",
        "2.62.1-1ubuntu0.4+esm6",
        "2.62.1-1ubuntu0.4+esm7"
      ]
    },
    {
      "ecosystem_specific": {
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            "binary_name": "libsoup2.4-1",
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      },
      "package": {
        "ecosystem": "Ubuntu:Pro:20.04:LTS",
        "name": "libsoup2.4",
        "purl": "pkg:deb/ubuntu/libsoup2.4@2.70.0-1ubuntu0.5+esm2?arch=source\u0026distro=esm-infra/focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.68.2-0ubuntu1",
        "2.68.2-1",
        "2.68.2-2",
        "2.68.2-2build2",
        "2.69.90-1",
        "2.70.0-1",
        "2.70.0-1ubuntu0.1",
        "2.70.0-1ubuntu0.2",
        "2.70.0-1ubuntu0.3",
        "2.70.0-1ubuntu0.4",
        "2.70.0-1ubuntu0.5",
        "2.70.0-1ubuntu0.5+esm1",
        "2.70.0-1ubuntu0.5+esm2"
      ]
    },
    {
      "ecosystem_specific": {
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          {
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            "binary_version": "2.74.2-3ubuntu0.7"
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          {
            "binary_name": "libsoup-gnome2.4-1",
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          },
          {
            "binary_name": "libsoup2.4-1",
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          },
          {
            "binary_name": "libsoup2.4-common",
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          },
          {
            "binary_name": "libsoup2.4-tests",
            "binary_version": "2.74.2-3ubuntu0.7"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "libsoup2.4",
        "purl": "pkg:deb/ubuntu/libsoup2.4@2.74.2-3ubuntu0.7?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
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            }
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        }
      ],
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        "2.74.2-2",
        "2.74.2-3",
        "2.74.2-3ubuntu0.1",
        "2.74.2-3ubuntu0.2",
        "2.74.2-3ubuntu0.3",
        "2.74.2-3ubuntu0.4",
        "2.74.2-3ubuntu0.5",
        "2.74.2-3ubuntu0.6",
        "2.74.2-3ubuntu0.7"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "gir1.2-soup-3.0",
            "binary_version": "3.0.7-0ubuntu1+esm7"
          },
          {
            "binary_name": "libsoup-3.0-0",
            "binary_version": "3.0.7-0ubuntu1+esm7"
          },
          {
            "binary_name": "libsoup-3.0-common",
            "binary_version": "3.0.7-0ubuntu1+esm7"
          },
          {
            "binary_name": "libsoup-3.0-tests",
            "binary_version": "3.0.7-0ubuntu1+esm7"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:22.04:LTS",
        "name": "libsoup3",
        "purl": "pkg:deb/ubuntu/libsoup3@3.0.7-0ubuntu1+esm7?arch=source\u0026distro=esm-apps/jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.0.7-0ubuntu1+esm7"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.0.4-2",
        "3.0.4-3",
        "3.0.5-1",
        "3.0.7-0ubuntu1",
        "3.0.7-0ubuntu1+esm1",
        "3.0.7-0ubuntu1+esm2",
        "3.0.7-0ubuntu1+esm3",
        "3.0.7-0ubuntu1+esm4",
        "3.0.7-0ubuntu1+esm5",
        "3.0.7-0ubuntu1+esm6"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "gir1.2-soup-2.4",
            "binary_version": "2.74.3-6ubuntu1.7"
          },
          {
            "binary_name": "libsoup-2.4-1",
            "binary_version": "2.74.3-6ubuntu1.7"
          },
          {
            "binary_name": "libsoup-gnome-2.4-1",
            "binary_version": "2.74.3-6ubuntu1.7"
          },
          {
            "binary_name": "libsoup2.4-common",
            "binary_version": "2.74.3-6ubuntu1.7"
          },
          {
            "binary_name": "libsoup2.4-tests",
            "binary_version": "2.74.3-6ubuntu1.7"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:24.04:LTS",
        "name": "libsoup2.4",
        "purl": "pkg:deb/ubuntu/libsoup2.4@2.74.3-6ubuntu1.7?arch=source\u0026distro=noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.74.3-1",
        "2.74.3-2",
        "2.74.3-3",
        "2.74.3-6",
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        "2.74.3-6ubuntu1",
        "2.74.3-6ubuntu1.1",
        "2.74.3-6ubuntu1.2",
        "2.74.3-6ubuntu1.3",
        "2.74.3-6ubuntu1.4",
        "2.74.3-6ubuntu1.5",
        "2.74.3-6ubuntu1.6",
        "2.74.3-6ubuntu1.7"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "gir1.2-soup-3.0",
            "binary_version": "3.4.4-5ubuntu0.7"
          },
          {
            "binary_name": "libsoup-3.0-0",
            "binary_version": "3.4.4-5ubuntu0.7"
          },
          {
            "binary_name": "libsoup-3.0-common",
            "binary_version": "3.4.4-5ubuntu0.7"
          },
          {
            "binary_name": "libsoup-3.0-tests",
            "binary_version": "3.4.4-5ubuntu0.7"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:24.04:LTS",
        "name": "libsoup3",
        "purl": "pkg:deb/ubuntu/libsoup3@3.4.4-5ubuntu0.7?arch=source\u0026distro=noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.4.4-5ubuntu0.7"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.4.2-4",
        "3.4.4-1",
        "3.4.4-2",
        "3.4.4-4",
        "3.4.4-5",
        "3.4.4-5build1",
        "3.4.4-5build2",
        "3.4.4-5ubuntu0.1",
        "3.4.4-5ubuntu0.2",
        "3.4.4-5ubuntu0.3",
        "3.4.4-5ubuntu0.4",
        "3.4.4-5ubuntu0.5",
        "3.4.4-5ubuntu0.6"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "gir1.2-soup-2.4",
            "binary_version": "2.74.3-10.1ubuntu4.1"
          },
          {
            "binary_name": "libsoup-2.4-1",
            "binary_version": "2.74.3-10.1ubuntu4.1"
          },
          {
            "binary_name": "libsoup-gnome-2.4-1",
            "binary_version": "2.74.3-10.1ubuntu4.1"
          },
          {
            "binary_name": "libsoup2.4-common",
            "binary_version": "2.74.3-10.1ubuntu4.1"
          },
          {
            "binary_name": "libsoup2.4-tests",
            "binary_version": "2.74.3-10.1ubuntu4.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:25.10",
        "name": "libsoup2.4",
        "purl": "pkg:deb/ubuntu/libsoup2.4@2.74.3-10.1ubuntu4.1?arch=source\u0026distro=questing"
      },
      "ranges": [
        {
          "events": [
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              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.74.3-10",
        "2.74.3-10.1",
        "2.74.3-10.1ubuntu1",
        "2.74.3-10.1ubuntu2",
        "2.74.3-10.1ubuntu3",
        "2.74.3-10.1ubuntu4",
        "2.74.3-10.1ubuntu4.1"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "gir1.2-soup-3.0",
            "binary_version": "3.6.5-4ubuntu0.2"
          },
          {
            "binary_name": "libsoup-3.0-0",
            "binary_version": "3.6.5-4ubuntu0.2"
          },
          {
            "binary_name": "libsoup-3.0-common",
            "binary_version": "3.6.5-4ubuntu0.2"
          },
          {
            "binary_name": "libsoup-3.0-tests",
            "binary_version": "3.6.5-4ubuntu0.2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:25.10",
        "name": "libsoup3",
        "purl": "pkg:deb/ubuntu/libsoup3@3.6.5-4ubuntu0.2?arch=source\u0026distro=questing"
      },
      "ranges": [
        {
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            },
            {
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            }
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      ],
      "versions": [
        "3.6.5-1",
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        "3.6.5-3",
        "3.6.5-4",
        "3.6.5-4ubuntu0.1"
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    },
    {
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        "binaries": [
          {
            "binary_name": "gir1.2-soup-2.4",
            "binary_version": "2.74.3-10.1ubuntu5+esm1"
          },
          {
            "binary_name": "libsoup-2.4-1",
            "binary_version": "2.74.3-10.1ubuntu5+esm1"
          },
          {
            "binary_name": "libsoup-gnome-2.4-1",
            "binary_version": "2.74.3-10.1ubuntu5+esm1"
          },
          {
            "binary_name": "libsoup2.4-common",
            "binary_version": "2.74.3-10.1ubuntu5+esm1"
          },
          {
            "binary_name": "libsoup2.4-tests",
            "binary_version": "2.74.3-10.1ubuntu5+esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:26.04:LTS",
        "name": "libsoup2.4",
        "purl": "pkg:deb/ubuntu/libsoup2.4@2.74.3-10.1ubuntu5+esm1?arch=source\u0026distro=esm-apps/resolute"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
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      ],
      "versions": [
        "2.74.3-10.1ubuntu4",
        "2.74.3-10.1ubuntu5",
        "2.74.3-10.1ubuntu5+esm1"
      ]
    }
  ],
  "aliases": [],
  "details": "A flaw was found in the libsoup HTTP library that can cause proxy authentication credentials to be sent to unintended destinations. When handling HTTP redirects, libsoup removes the Authorization header but does not remove the Proxy-Authorization header if the request is redirected to a different host. As a result, sensitive proxy credentials may be leaked to third-party servers. Applications using libsoup for HTTP communication may unintentionally expose proxy authentication data.",
  "id": "UBUNTU-CVE-2026-1539",
  "modified": "2026-07-09T15:15:37Z",
  "published": "2026-01-28T16:16:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-1539"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-1539"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-1539"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-8020-1"
    }
  ],
  "related": [
    "USN-8020-1"
  ],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2026-1539"
  ]
}

CVE-2026-1539 (GCVE-0-2026-1539)

Vulnerability from cvelistv5 – Published: 2026-01-28 15:15 – Updated: 2026-03-25 14:12

Title

Libsoup: libsoup: credential leakage via http redirects

Summary

Severity

5.8 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-01-28 16:09 UTC

CWE

CWE-201 - Insertion of Sensitive Information Into Sent Data

Assigner

redhat redhat root

References

2 references

URL	Tags
https://access.redhat.com/security/cve/CVE-2026-1539	vdb-entryx_refsource_REDHAT
https://gitlab.gnome.org/GNOME/libsoup/-/issues/489

Impacted products

5 products

Vendor	Product	Version
Red Hat	Red Hat Enterprise Linux 10	cpe:/o:redhat:enterprise_linux:10
Red Hat	Red Hat Enterprise Linux 6	cpe:/o:redhat:enterprise_linux:6
Red Hat	Red Hat Enterprise Linux 7	cpe:/o:redhat:enterprise_linux:7
Red Hat	Red Hat Enterprise Linux 8	cpe:/o:redhat:enterprise_linux:8
Red Hat	Red Hat Enterprise Linux 9	cpe:/o:redhat:enterprise_linux:9

Date Public

2026-01-28 00:00

Credits

Red Hat would like to thank Codean Labs for reporting this issue.

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-1539",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-01-28T16:09:01.060307Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-01-28T16:09:13.485Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
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          ],
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          "packageName": "libsoup3",
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          "vendor": "Red Hat"
        },
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            "cpe:/o:redhat:enterprise_linux:6"
          ],
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          "vendor": "Red Hat"
        },
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          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
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          ],
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          "vendor": "Red Hat"
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        },
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          ],
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          "packageName": "libsoup",
          "product": "Red Hat Enterprise Linux 9",
          "vendor": "Red Hat"
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "Red Hat would like to thank Codean Labs for reporting this issue."
        }
      ],
      "datePublic": "2026-01-28T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "A flaw was found in the libsoup HTTP library that can cause proxy authentication credentials to be sent to unintended destinations. When handling HTTP redirects, libsoup removes the Authorization header but does not remove the Proxy-Authorization header if the request is redirected to a different host. As a result, sensitive proxy credentials may be leaked to third-party servers. Applications using libsoup for HTTP communication may unintentionally expose proxy authentication data."
        }
      ],
      "metrics": [
        {
          "other": {
            "content": {
              "namespace": "https://access.redhat.com/security/updates/classification/",
              "value": "Moderate"
            },
            "type": "Red Hat severity rating"
          }
        },
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 5.8,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N",
            "version": "3.1"
          },
          "format": "CVSS"
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-201",
              "description": "Insertion of Sensitive Information Into Sent Data",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-03-25T14:12:27.065Z",
        "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
        "shortName": "redhat"
      },
      "references": [
        {
          "tags": [
            "vdb-entry",
            "x_refsource_REDHAT"
          ],
          "url": "https://access.redhat.com/security/cve/CVE-2026-1539"
        },
        {
          "url": "https://gitlab.gnome.org/GNOME/libsoup/-/issues/489"
        }
      ],
      "timeline": [
        {
          "lang": "en",
          "time": "2026-01-28T13:41:13.574Z",
          "value": "Reported to Red Hat."
        },
        {
          "lang": "en",
          "time": "2026-01-28T00:00:00.000Z",
          "value": "Made public."
        }
      ],
      "title": "Libsoup: libsoup: credential leakage via http redirects",
      "workarounds": [
        {
          "lang": "en",
          "value": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability."
        }
      ],
      "x_generator": {
        "engine": "cvelib 1.8.0"
      },
      "x_redhatCweChain": "CWE-201: Insertion of Sensitive Information Into Sent Data"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
    "assignerShortName": "redhat",
    "cveId": "CVE-2026-1539",
    "datePublished": "2026-01-28T15:15:48.725Z",
    "dateReserved": "2026-01-28T14:27:02.614Z",
    "dateUpdated": "2026-03-25T14:12:27.065Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

usn-8020-1

Vulnerability from osv_ubuntu

Published

2026-02-08 23:40

Modified

2026-04-27 14:11

Summary

libsoup3 vulnerabilities

Details

It was discovered that libsoup did not correctly handle certain URL-decoded input, which could allow for HTTP header injection. A remote attacker could possibly use this issue to cause a denial of service or execute arbitrary code. (CVE-2026-1467, CVE-2026-1536)

It was discovered that libsoup did not correctly handle removal of the Proxy-Authorization header. A remote attacker could possibly use this issue to leak sensitive information. (CVE-2026-1539)

References

URL

Type

	https://ubuntu.com/security/notices/USN-8020-1	ADVISORY
	https://ubuntu.com/security/CVE-2026-1467	REPORT
	https://ubuntu.com/security/CVE-2026-1536	REPORT
	https://ubuntu.com/security/CVE-2026-1539	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2026-1467",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2026-1536",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2026-1539",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:Pro:22.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "gir1.2-soup-3.0",
            "binary_version": "3.0.7-0ubuntu1+esm7"
          },
          {
            "binary_name": "libsoup-3.0-0",
            "binary_version": "3.0.7-0ubuntu1+esm7"
          },
          {
            "binary_name": "libsoup-3.0-common",
            "binary_version": "3.0.7-0ubuntu1+esm7"
          },
          {
            "binary_name": "libsoup-3.0-tests",
            "binary_version": "3.0.7-0ubuntu1+esm7"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:22.04:LTS",
        "name": "libsoup3",
        "purl": "pkg:deb/ubuntu/libsoup3@3.0.7-0ubuntu1+esm7?arch=source\u0026distro=esm-apps/jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.0.7-0ubuntu1+esm7"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.0.4-2",
        "3.0.4-3",
        "3.0.5-1",
        "3.0.7-0ubuntu1",
        "3.0.7-0ubuntu1+esm1",
        "3.0.7-0ubuntu1+esm2",
        "3.0.7-0ubuntu1+esm3",
        "3.0.7-0ubuntu1+esm4",
        "3.0.7-0ubuntu1+esm5",
        "3.0.7-0ubuntu1+esm6"
      ]
    },
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2026-1467",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2026-1536",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2026-1539",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:24.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "gir1.2-soup-3.0",
            "binary_version": "3.4.4-5ubuntu0.7"
          },
          {
            "binary_name": "libsoup-3.0-0",
            "binary_version": "3.4.4-5ubuntu0.7"
          },
          {
            "binary_name": "libsoup-3.0-common",
            "binary_version": "3.4.4-5ubuntu0.7"
          },
          {
            "binary_name": "libsoup-3.0-tests",
            "binary_version": "3.4.4-5ubuntu0.7"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:24.04:LTS",
        "name": "libsoup3",
        "purl": "pkg:deb/ubuntu/libsoup3@3.4.4-5ubuntu0.7?arch=source\u0026distro=noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.4.4-5ubuntu0.7"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.4.2-4",
        "3.4.4-1",
        "3.4.4-2",
        "3.4.4-4",
        "3.4.4-5",
        "3.4.4-5build1",
        "3.4.4-5build2",
        "3.4.4-5ubuntu0.1",
        "3.4.4-5ubuntu0.2",
        "3.4.4-5ubuntu0.3",
        "3.4.4-5ubuntu0.4",
        "3.4.4-5ubuntu0.5",
        "3.4.4-5ubuntu0.6"
      ]
    },
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2026-1467",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2026-1536",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2026-1539",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:25.10"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "gir1.2-soup-3.0",
            "binary_version": "3.6.5-4ubuntu0.2"
          },
          {
            "binary_name": "libsoup-3.0-0",
            "binary_version": "3.6.5-4ubuntu0.2"
          },
          {
            "binary_name": "libsoup-3.0-common",
            "binary_version": "3.6.5-4ubuntu0.2"
          },
          {
            "binary_name": "libsoup-3.0-tests",
            "binary_version": "3.6.5-4ubuntu0.2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:25.10",
        "name": "libsoup3",
        "purl": "pkg:deb/ubuntu/libsoup3@3.6.5-4ubuntu0.2?arch=source\u0026distro=questing"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.6.5-4ubuntu0.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.6.5-1",
        "3.6.5-1ubuntu1",
        "3.6.5-3",
        "3.6.5-4",
        "3.6.5-4ubuntu0.1"
      ]
    }
  ],
  "aliases": [],
  "details": "It was discovered that libsoup did not correctly handle certain\nURL-decoded input, which could allow for HTTP header injection. A remote\nattacker could possibly use this issue to cause a denial of service or\nexecute arbitrary code. (CVE-2026-1467, CVE-2026-1536)\n\nIt was discovered that libsoup did not correctly handle removal of the\nProxy-Authorization header. A remote attacker could possibly use this\nissue to leak sensitive information. (CVE-2026-1539)",
  "id": "USN-8020-1",
  "modified": "2026-04-27T14:11:47Z",
  "published": "2026-02-08T23:40:29Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-8020-1"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-1467"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-1536"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-1539"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "libsoup3 vulnerabilities",
  "upstream": [
    "UBUNTU-CVE-2026-1467",
    "UBUNTU-CVE-2026-1536",
    "UBUNTU-CVE-2026-1539"
  ]
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

ubuntu-cve-2026-1539

Vulnerability from osv_ubuntu

CVE-2026-1539 (GCVE-0-2026-1539)

usn-8020-1

Vulnerability from osv_ubuntu

Tags

Sightings

Nomenclature

Related by attack behaviour