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Advisory severityCritical9.0Apache Software Foundation

Critical [CVE-2026-82378] Incorrect Authorization in the OAuth 1.0a authorization endpoint of Apache Roller 6.1.5 allows an unauthenticated remote attacker who learns an outstanding request token for a configured site-wide consumer to bind that token to an arbitrary user account, including an administrator, by submitting an unsigned authorization request

This critical-severity Apache Software Foundation advisory covers CVE-2026-82378 affecting Apache Roller.

Aggregated and source-linked by VulniPulse. Data sources, validation and limitations.

CVE-2026-82378 Source published Source updated

VulniPulse record published Record updated

CVE-2026-82378
Affected products & platforms
Apache Software FoundationUnclassified
Open source advisory

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Summary

Incorrect Authorization in the OAuth 1.0a authorization endpoint of Apache Roller 6.1.5 allows an unauthenticated remote attacker who learns an outstanding request token for a configured site-wide consumer to bind that token to an arbitrary user account, including an administrator, by submitting an unsigned authorization request.

The endpoint derives the authorizing identity from a request-supplied value rather than the authenticated session. Only installations that configure an OAuth 1.0a site-wide consumer are affected, and exploitation requires knowledge of one of its outstanding request tokens.

Users are recommended to upgrade to Apache Roller 6.1.6 or later, which binds authorization to the logged-in session.

Affected versions
  • Apache Roller 6.1.5

Official advisory · high-confidence parse· fetched 8 days ago·verify at source

Fixed versions
  • 6.1.6

Official advisory · high-confidence parse· fetched 8 days ago·verify at source

Mitigation checklist

Recommended fix / mitigation
  • Only installations that configure an OAuth 1.0a site-wide consumer are affected, and exploitation requires knowledge of one of its outstanding request tokens.
  • Users are recommended to upgrade to Apache Roller 6.1.6 or later, which binds authorization to the logged-in session.

Official advisory · high-confidence parse· fetched 8 days ago·verify at source

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