FKIE_CVE-2026-20888

Vulnerability from fkie_nvd - Published: 2026-01-22 22:16 - Updated: 2026-01-23 22:16
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Summary
Gitea does not properly verify authorization when canceling scheduled auto-merges via the web interface. A user with read access to pull requests may be able to cancel auto-merges scheduled by other users.
References
88ee5874-cf24-4952-aea0-31affedb7ff2https://blog.gitea.com/release-of-1.25.4/
88ee5874-cf24-4952-aea0-31affedb7ff2https://github.com/go-gitea/gitea/pull/36341
88ee5874-cf24-4952-aea0-31affedb7ff2https://github.com/go-gitea/gitea/pull/36356
88ee5874-cf24-4952-aea0-31affedb7ff2https://github.com/go-gitea/gitea/releases/tag/v1.25.4
88ee5874-cf24-4952-aea0-31affedb7ff2https://github.com/go-gitea/gitea/security/advisories/GHSA-ccq9-c5hv-cf64
Impacted products
Vendor Product Version
To clipboard 

{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Gitea does not properly verify authorization when canceling scheduled auto-merges via the web interface. A user with read access to pull requests may be able to cancel auto-merges scheduled by other users."
    }
  ],
  "id": "CVE-2026-20888",
  "lastModified": "2026-01-23T22:16:20.120",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 4.3,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 1.4,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ]
  },
  "published": "2026-01-22T22:16:17.890",
  "references": [
    {
      "source": "88ee5874-cf24-4952-aea0-31affedb7ff2",
      "url": "https://blog.gitea.com/release-of-1.25.4/"
    },
    {
      "source": "88ee5874-cf24-4952-aea0-31affedb7ff2",
      "url": "https://github.com/go-gitea/gitea/pull/36341"
    },
    {
      "source": "88ee5874-cf24-4952-aea0-31affedb7ff2",
      "url": "https://github.com/go-gitea/gitea/pull/36356"
    },
    {
      "source": "88ee5874-cf24-4952-aea0-31affedb7ff2",
      "url": "https://github.com/go-gitea/gitea/releases/tag/v1.25.4"
    },
    {
      "source": "88ee5874-cf24-4952-aea0-31affedb7ff2",
      "url": "https://github.com/go-gitea/gitea/security/advisories/GHSA-ccq9-c5hv-cf64"
    }
  ],
  "sourceIdentifier": "88ee5874-cf24-4952-aea0-31affedb7ff2",
  "vulnStatus": "Received",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-284"
        },
        {
          "lang": "en",
          "value": "CWE-862"
        }
      ],
      "source": "88ee5874-cf24-4952-aea0-31affedb7ff2",
      "type": "Secondary"
    }
  ]
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

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.