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PatchSiren cyber security CVE debrief

CVE-2026-56443 Gitea CVE debrief

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-08-13T17:17:25.247Z and has not been modified since then. This critical vulnerability, CVE-2026-56443, is a potential token public-only scope bypass vulnerability in Gitea, residual after CVE-2026-25714 / PR #37118. It affects Limited-visibility owners in Repository and Package categories, potentially leading to unauthorized access. Gitea instance administrators and users should verify their Gitea version and configuration, check for residual issues related to CVE-2026-25714, and apply vendor remediation if available. The vulnerability allows for token public-only scope bypass, which could result in unauthorized access to Gitea instances. Security teams and vulnerability management teams should also be aware of this vulnerability and its potential impact on their systems. Evidence is limited; verification of Gitea version and configuration needed. Residual issue after CVE-2026-25714 / PR #37118. Affected Gitea instances may have token public-only scope bypassed. Limited visibility owners in Repository and Package categories are impacted. Defenders should verify Gitea version, configuration, and residual issues related to CVE-2026-25714.

Vendor
Gitea
Product
Gitea Open Source Git Server
CVSS
CRITICAL 9.6
CISA KEV
Not listed in stored evidence
Original CVE published
2026-08-13
Original CVE updated
2026-08-26
Advisory published
2026-08-13
Advisory updated
2026-08-26

Who should care

Gitea instance administrators and users with Limited-visibility owners in Repository and Package categories should be aware of this vulnerability. They should verify their Gitea version and configuration, check for residual issues related to CVE-2026-25714, and apply vendor remediation if available. Security teams and vulnerability management teams should also be aware of this vulnerability and its potential impact on their systems.

Technical summary

A critical vulnerability was reported in Gitea, a potential token public-only scope bypass vulnerability. This issue is residual after CVE-2026-25714 / PR #37118 and affects Limited-visibility owners in Repository and Package categories. The vulnerability allows for token public-only scope bypass, potentially leading to unauthorized access. Gitea instance administrators and users with Limited-visibility owners in Repository and Package categories should be aware of this vulnerability. They should verify their Gitea version and configuration, check for residual issues related to CVE-2026-25714, and apply vendor remediation if available. Security teams and vulnerability management teams should also be aware of this vulnerability and its potential impact on their systems. The vulnerability could result in unauthorized access to Gitea instances if exploited. Evidence is limited; verification of Gitea version and configuration needed. Residual issue after CVE-2026-25714 / PR #37118. Affected Gitea instances may have token public-only scope bypassed. Limited visibility owners in Repository and Package categories are impacted.

Defensive priority

Critical vulnerability in Gitea, a potential token public-only scope bypass vulnerability was reported.

Recommended defensive actions

  • Verify Gitea instance version and configuration
  • Check for residual issues related to CVE-2026-25714
  • Apply vendor remediation if available
  • Review compensating controls for exposed systems while remediation is scheduled and verified
  • Check relevant monitoring, detection, and logs for exposed assets that need extra review
  • Track exceptions, retest remediated assets, and close the item only after evidence is documented
  • Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up

Evidence notes

Evidence is limited; verification of Gitea version and configuration needed. Residual issue after CVE-2026-25714 / PR #37118. Affected Gitea instances may have token public-only scope bypassed. Limited visibility owners in Repository and Package categories are impacted. Defenders should verify Gitea version, configuration, and residual issues related to CVE-2026-25714.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-56443 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-56443

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-56443 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-56443

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

  • Source reference

    Unverified legacy reference

    URL: https://blog.gitea.com/gitea-1.27.0-is-released/

    88ee5874-cf24-4952-aea0-31affedb7ff2

  • Source reference

    Unverified legacy reference

    URL: https://github.com/go-gitea/gitea/releases/tag/v1.27.0

    88ee5874-cf24-4952-aea0-31affedb7ff2

  • Source reference

    Unverified legacy reference

    URL: https://github.com/go-gitea/gitea/security/advisories/GHSA-7p4h-3gxq-x3h3

    88ee5874-cf24-4952-aea0-31affedb7ff2

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.