Vulnerability-Lookup

PYSEC-2026-155

Vulnerability from pysec - Published: 2026-04-15 19:16 - Updated: 2026-05-20 09:19

Details

Weblate is a web based localization tool. In versions prior to 5.17, the user patching API endpoint didn't properly limit the scope of edits. This issue has been fixed in version 5.17.

Severity

8.8 (High)


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

Impacted products

Name	purl
weblate	pkg:pypi/weblate

Aliases

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "weblate",
        "purl": "pkg:pypi/weblate"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "5.17"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.9",
        "2.0",
        "2.1",
        "2.10",
        "2.10.1",
        "2.11",
        "2.12",
        "2.13",
        "2.13.1",
        "2.14",
        "2.14.1",
        "2.15",
        "2.16",
        "2.17",
        "2.17.1",
        "2.18",
        "2.19",
        "2.19.1",
        "2.2",
        "2.20",
        "2.3",
        "2.4",
        "2.5",
        "2.6",
        "2.7",
        "2.8",
        "2.9",
        "3.0",
        "3.0.1",
        "3.1",
        "3.1.1",
        "3.10",
        "3.10.1",
        "3.10.2",
        "3.10.3",
        "3.11",
        "3.11.1",
        "3.11.2",
        "3.11.3",
        "3.2",
        "3.2.1",
        "3.2.2",
        "3.3",
        "3.4",
        "3.5",
        "3.5.1",
        "3.6",
        "3.6.1",
        "3.7",
        "3.7.1",
        "3.8",
        "3.9",
        "3.9.1",
        "4.0",
        "4.0.1",
        "4.0.2",
        "4.0.3",
        "4.0.4",
        "4.1",
        "4.1.1",
        "4.10",
        "4.10.1",
        "4.11",
        "4.11.1",
        "4.11.2",
        "4.12",
        "4.12.1",
        "4.12.2",
        "4.13",
        "4.13.1",
        "4.14",
        "4.14.1",
        "4.14.2",
        "4.15",
        "4.15.1",
        "4.15.2",
        "4.16",
        "4.16.1",
        "4.16.2",
        "4.16.3",
        "4.16.4",
        "4.17",
        "4.18",
        "4.18.1",
        "4.18.2",
        "4.2",
        "4.2.1",
        "4.2.2",
        "4.3",
        "4.3.1",
        "4.3.2",
        "4.4",
        "4.4.1",
        "4.4.2",
        "4.5",
        "4.5.1",
        "4.5.2",
        "4.5.3",
        "4.6",
        "4.6.1",
        "4.6.2",
        "4.7",
        "4.7.1",
        "4.7.2",
        "4.8",
        "4.8.1",
        "4.9",
        "4.9.1",
        "5.0",
        "5.0.1",
        "5.0.2",
        "5.1",
        "5.1.1",
        "5.10",
        "5.10.1",
        "5.10.2",
        "5.10.3",
        "5.10.4",
        "5.11",
        "5.11.1",
        "5.11.3",
        "5.11.4",
        "5.12.1",
        "5.12.2",
        "5.13",
        "5.13.1",
        "5.13.2",
        "5.13.3",
        "5.14",
        "5.14.1",
        "5.14.2",
        "5.14.3",
        "5.15",
        "5.15.1",
        "5.15.2",
        "5.16",
        "5.16.1",
        "5.16.2",
        "5.2",
        "5.2.1",
        "5.3",
        "5.3.1",
        "5.4",
        "5.4.1",
        "5.4.2",
        "5.4.3",
        "5.5",
        "5.5.2",
        "5.5.3",
        "5.5.4",
        "5.5.5",
        "5.6",
        "5.6.1",
        "5.6.2",
        "5.7",
        "5.7.1",
        "5.7.2",
        "5.8.1",
        "5.8.2",
        "5.8.3",
        "5.8.4",
        "5.9.1",
        "5.9.2"
      ]
    }
  ],
  "aliases": [
    "CVE-2026-34393",
    "GHSA-3382-gw9x-477v"
  ],
  "details": "Weblate is a web based localization tool. In versions prior to 5.17, the user patching API endpoint didn\u0027t properly limit the scope of edits. This issue has been fixed in version 5.17.",
  "id": "PYSEC-2026-155",
  "modified": "2026-05-20T09:19:24.017900Z",
  "published": "2026-04-15T19:16:36.070Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/WeblateOrg/weblate/security/advisories/GHSA-3382-gw9x-477v"
    },
    {
      "type": "FIX",
      "url": "https://github.com/WeblateOrg/weblate/pull/18687"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2026-34393 (GCVE-0-2026-34393)

Vulnerability from cvelistv5 – Published: 2026-04-15 18:24 – Updated: 2026-04-15 18:38

Title

Weblate: Privilege escalation in the user API endpoint

Summary

Weblate is a web based localization tool. In versions prior to 5.17, the user patching API endpoint didn't properly limit the scope of edits. This issue has been fixed in version 5.17.

Severity

8.8 (High)


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

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator (v2.0.3)

CWE

CWE-269 - Improper Privilege Management

Assigner

GitHub_M

References

2 references

URL	Tags
https://github.com/WeblateOrg/weblate/security/ad…	x_refsource_CONFIRM
https://github.com/WeblateOrg/weblate/pull/18687	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
WeblateOrg	weblate	Affected: < 5.17

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-34393",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-04-15T18:38:44.703405Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-04-15T18:38:53.920Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "weblate",
          "vendor": "WeblateOrg",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 5.17"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Weblate is a web based localization tool. In versions prior to 5.17, the user patching API endpoint didn\u0027t properly limit the scope of edits. This issue has been fixed in version 5.17."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-269",
              "description": "CWE-269: Improper Privilege Management",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-04-15T18:24:30.813Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/WeblateOrg/weblate/security/advisories/GHSA-3382-gw9x-477v",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/WeblateOrg/weblate/security/advisories/GHSA-3382-gw9x-477v"
        },
        {
          "name": "https://github.com/WeblateOrg/weblate/pull/18687",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/WeblateOrg/weblate/pull/18687"
        }
      ],
      "source": {
        "advisory": "GHSA-3382-gw9x-477v",
        "discovery": "UNKNOWN"
      },
      "title": "Weblate: Privilege escalation in the user API endpoint"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2026-34393",
    "datePublished": "2026-04-15T18:24:30.813Z",
    "dateReserved": "2026-03-27T13:45:29.619Z",
    "dateUpdated": "2026-04-15T18:38:53.920Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

GHSA-3382-GW9X-477V

Vulnerability from github – Published: 2026-04-16 20:43 – Updated: 2026-06-08 19:54

Summary

Weblate: Privilege escalation in the user API endpoint

Details

Impact

The user patching API endpoint didn't properly limit the scope of edits.

Patches

https://github.com/WeblateOrg/weblate/pull/18687

References

Thanks to @tikket1 and @DavidCarliez for reporting this via GitHub. We received two individual reports for this.

Severity

8.8 (High)


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

Show details on source website

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "Weblate"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "5.17"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-34393"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-269"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-04-16T20:43:48Z",
    "nvd_published_at": "2026-04-15T19:16:36Z",
    "severity": "HIGH"
  },
  "details": "### Impact\n\nThe user patching API endpoint didn\u0027t properly limit the scope of edits.\n\n### Patches\n* https://github.com/WeblateOrg/weblate/pull/18687\n\n\n### References\nThanks to @tikket1 and @DavidCarliez for reporting this via GitHub. We received two individual reports for this.",
  "id": "GHSA-3382-gw9x-477v",
  "modified": "2026-06-08T19:54:31Z",
  "published": "2026-04-16T20:43:48Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/WeblateOrg/weblate/security/advisories/GHSA-3382-gw9x-477v"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-34393"
    },
    {
      "type": "WEB",
      "url": "https://github.com/WeblateOrg/weblate/pull/18687"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/WeblateOrg/weblate"
    },
    {
      "type": "WEB",
      "url": "https://github.com/pypa/advisory-database/tree/main/vulns/weblate/PYSEC-2026-155.yaml"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Weblate: Privilege escalation in the user API endpoint"
}

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.

Action not permitted

PYSEC-2026-155

CVE-2026-34393 (GCVE-0-2026-34393)

GHSA-3382-GW9X-477V

Impact

Patches

References

Tags

Sightings

Nomenclature