Authentication Bypass by Capture-replay in Apache Allura - CVE-2026-92120
Published: October 13, 2026
Vulnerability identifier: #VU154177
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-92120
CWE-ID: CWE-294
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to replay OAuth1 requests.
The vulnerability exists due to insufficient protection against request replay in the OAuth1 request handling component when processing OAuth1 requests. A remote attacker can resubmit a previously issued request to replay OAuth1 requests.
Affected software
Apache Allura
How to mitigate CVE-2026-92120
Install security update from vendor's website.
Apache Allura - update to 1.22.0