FKIE_CVE-2025-15079

Vulnerability from fkie_nvd - Published: 2026-01-08 10:15 - Updated: 2026-01-20 14:50
Severity ?
5.3 (Medium) - CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N
Summary
When doing SSH-based transfers using either SCP or SFTP, and setting the known_hosts file, libcurl could still mistakenly accept connecting to hosts *not present* in the specified file if they were added as recognized in the libssh *global* known_hosts file.
References
2499f714-1537-4658-8207-48ae4bb9eae9https://curl.se/docs/CVE-2025-15079.htmlVendor Advisory, Patch
2499f714-1537-4658-8207-48ae4bb9eae9https://curl.se/docs/CVE-2025-15079.jsonVendor Advisory
2499f714-1537-4658-8207-48ae4bb9eae9https://hackerone.com/reports/3477116Exploit, Issue Tracking, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2026/01/07/6Mailing List, Third Party Advisory, Patch
Impacted products
Vendor Product Version
haxx curl *
To clipboard 

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    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:haxx:curl:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "7FEF1B43-51CF-47FA-8D6C-2411D9B3F9C1",
              "versionEndExcluding": "8.18.0",
              "versionStartIncluding": "7.58.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "When doing SSH-based transfers using either SCP or SFTP, and setting the\nknown_hosts file, libcurl could still mistakenly accept connecting to hosts\n*not present* in the specified file if they were added as recognized in the\nlibssh *global* known_hosts file."
    }
  ],
  "id": "CVE-2025-15079",
  "lastModified": "2026-01-20T14:50:24.330",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 5.3,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 1.6,
        "impactScore": 3.6,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ]
  },
  "published": "2026-01-08T10:15:47.100",
  "references": [
    {
      "source": "2499f714-1537-4658-8207-48ae4bb9eae9",
      "tags": [
        "Vendor Advisory",
        "Patch"
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      "url": "https://curl.se/docs/CVE-2025-15079.html"
    },
    {
      "source": "2499f714-1537-4658-8207-48ae4bb9eae9",
      "tags": [
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      "tags": [
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        "Issue Tracking",
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      "url": "https://hackerone.com/reports/3477116"
    },
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      "tags": [
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        "Third Party Advisory",
        "Patch"
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      "url": "http://www.openwall.com/lists/oss-security/2026/01/07/6"
    }
  ],
  "sourceIdentifier": "2499f714-1537-4658-8207-48ae4bb9eae9",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-297"
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary"
    }
  ]
}


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Detection rules are retrieved from Rulezet.