Cross-site scripting in Apache Allura - CVE-2026-80190
Published: September 3, 2026
Vulnerability identifier: #VU146870
CSH Severity: Low
CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N]
CVE-ID: CVE-2026-80190
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to execute arbitrary script code in a victim's browser.
The vulnerability exists due to improper neutralization of input during web page generation in SVN code repositories when rendering stored repository content. A remote user can store a specially crafted payload in an SVN repository to execute arbitrary script code in a victim's browser.
Git repositories are not known to be affected.
Affected software
Apache Allura
How to mitigate CVE-2026-80190
Install security update from vendor's website.
Apache Allura - update to 1.21.0