FKIE_CVE-2026-27780

Vulnerability from fkie_nvd - Published: 2026-07-03 21:16 - Updated: 2026-07-03 21:16
Severity ?
Summary
Gitea versions before 1.26.0 do not fail closed on bufio.Scanner errors while processing pre-receive hook input, allowing oversized input to bypass branch-protection checks.
References
88ee5874-cf24-4952-aea0-31affedb7ff2https://blog.gitea.com/release-of-1.26.0/
88ee5874-cf24-4952-aea0-31affedb7ff2https://github.com/go-gitea/gitea/pull/36963
88ee5874-cf24-4952-aea0-31affedb7ff2https://github.com/go-gitea/gitea/releases/tag/v1.26.0
Impacted products
Vendor Product Version
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Gitea Open Source Git Server",
          "vendor": "Gitea",
          "versions": [
            {
              "lessThan": "1.26.0",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "source": "88ee5874-cf24-4952-aea0-31affedb7ff2"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Gitea versions before 1.26.0 do not fail closed on bufio.Scanner errors while processing pre-receive hook input, allowing oversized input to bypass branch-protection checks."
    }
  ],
  "id": "CVE-2026-27780",
  "lastModified": "2026-07-03T21:16:59.347",
  "metrics": {},
  "published": "2026-07-03T21:16:59.347",
  "references": [
    {
      "source": "88ee5874-cf24-4952-aea0-31affedb7ff2",
      "url": "https://blog.gitea.com/release-of-1.26.0/"
    },
    {
      "source": "88ee5874-cf24-4952-aea0-31affedb7ff2",
      "url": "https://github.com/go-gitea/gitea/pull/36963"
    },
    {
      "source": "88ee5874-cf24-4952-aea0-31affedb7ff2",
      "url": "https://github.com/go-gitea/gitea/releases/tag/v1.26.0"
    }
  ],
  "sourceIdentifier": "88ee5874-cf24-4952-aea0-31affedb7ff2",
  "vulnStatus": "Received",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-863"
        }
      ],
      "source": "88ee5874-cf24-4952-aea0-31affedb7ff2",
      "type": "Secondary"
    }
  ]
}


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Sightings

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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.