CVE-2026-3306 (GCVE-0-2026-3306)

Vulnerability from cvelistv5 – Published: 2026-03-10 17:46 – Updated: 2026-03-11 14:17
VLAI?
Title
Improper authorization in GitHub Projects allows modification of issue and pull request metadata without repository write access
Summary
An improper authorization vulnerability was identified in GitHub Enterprise Server that allowed a user with read access to a repository and write access to a project to modify issue and pull request metadata through the project. When adding an item to a project that already existed, column value updates were applied without verifying the actor's repository write permissions. This vulnerability was reported via the GitHub Bug Bounty program and has been fixed in GitHub Enterprise Server versions 3.14.24, 3.15.19, 3.16.15, 3.17.12, 3.18.6 and 3.19.3.
Severity ?
5.3 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
Impacted products
Vendor Product Version
GitHub Enterprise Server Affected: 3.14.0 , ≤ 3.14.23 (semver)
Affected: 3.15.0 , ≤ 3.15.18 (semver)
Affected: 3.16.0 , ≤ 3.16.14 (semver)
Affected: 3.17.0 , ≤ 3.17.11 (semver)
Affected: 3.18.0 , ≤ 3.18.5 (semver)
Affected: 3.19.0 , ≤ 3.19.2 (semver)
Create a notification for this product.
Credits
ahacker1
Show details on NVD website
To clipboard 

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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.