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PatchSiren cyber security CVE debrief

CVE-2026-89151 Forgejo CVE debrief

CVE-2026-89151 is a low-severity vulnerability affecting Forgejo versions before 16.0.4. It allows the use of restricted API tokens for unintended access to the 'allow maintainer edit' feature. Defenders should assess exposure, particularly in deployment contexts where maintainers have edit privileges. The vulnerability's impact is limited, but verification of affected versions and remediation priority are necessary.

Vendor
Forgejo
Product
Unknown
CVSS
LOW 3.5
CISA KEV
Not listed in stored evidence
Original CVE published
2026-09-11
Original CVE updated
2026-09-22
Advisory published
2026-09-11
Advisory updated
2026-09-22

Who should care

Defenders and administrators of Forgejo instances, particularly those with maintainers having edit privileges, should assess exposure and prioritize remediation.

Why it matters

CVE-2026-89151 is a low-severity vulnerability affecting Forgejo versions before 16.0.4, allowing restricted API tokens to access the 'allow maintainer edit' feature. Defenders should assess exposure, particularly in deployment contexts where maintainers have edit privileges, and prioritize verification and remediation based on their specific situation.

  • Verification of affected versions is necessary
  • Remediation priority based on deployment context
  • Assessing exposure in maintainer edit privilege scenarios

Technical summary

The vulnerability allows restricted API tokens to be used for unintended access to the 'allow maintainer edit' feature in Forgejo versions before 16.0.4. This could potentially allow maintainers to make unauthorized changes. Defenders should verify if their Forgejo instances are vulnerable and prioritize remediation based on their deployment context, especially where maintainers have edit privileges. Verification of affected versions and remediation priority are necessary to mitigate potential impacts.

Defensive priority

Defenders should verify if their Forgejo instances are vulnerable and prioritize remediation based on their deployment context.

Recommended defensive actions

  • Verify if the Forgejo instance is vulnerable
  • Assess exposure based on deployment context
  • Prioritize remediation based on edit privileges

Evidence notes

The CVE record and NVD entry provide limited information about the vulnerability. Further verification is necessary to determine affected versions and remediation steps.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-89151 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-89151

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

  • CVE-2026-89151 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-89151

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

Supplemental references

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.