CVE-2026-27780 (GCVE-0-2026-27780)

Vulnerability from cvelistv5 – Published: 2026-07-03 20:19 – Updated: 2026-07-03 20:19
VLAI
Title
Gitea pre-receive hook can miss branch-protection checks after scanner errors
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.
Severity
No CVSS data available.
CWE
  • CWE-863 - Incorrect Authorization
Assigner
References
Impacted products
Vendor Product Version
Gitea Gitea Open Source Git Server Affected: 0 , < 1.26.0 (semver)
Create a notification for this product.
Credits
yonatan-pl
Show details on NVD website
To clipboard 

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      "credits": [
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          "lang": "en",
          "type": "reporter",
          "value": "yonatan-pl"
        }
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        "orgId": "88ee5874-cf24-4952-aea0-31affedb7ff2",
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          "name": "GitHub Pull Request #36963",
          "tags": [
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          ],
          "url": "https://github.com/go-gitea/gitea/pull/36963"
        },
        {
          "name": "Gitea v1.26.0 Release",
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          "url": "https://github.com/go-gitea/gitea/releases/tag/v1.26.0"
        },
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          "name": "Gitea v1.26.0 Release Blog Post",
          "tags": [
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          ],
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    "dateReserved": "2026-03-03T03:25:28.724Z",
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    "state": "PUBLISHED"
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  }
}


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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.