CVE-2026-80190 Apache Allura: Stored XSS via code repositories
Attackers can inject malicious scripts into SVN repositories, potentially compromising user sessions in Apache Allura deployments.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-80190?
CVE-2026-80190 is a medium-severity cross-site scripting vulnerability in Apache Allura, published on 4 Sep 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
Apache Allura: stored XSS via SVN code repositories. Git repositories are not known to be affected. The vulnerability is likely mitigated via default CSP headers.
This issue affects Apache Allura: through 1.20.0.
Users are recommended to upgrade to version 1.21.0, which fixes the issue.
Weakness: CWE-79
Which versions are affected by CVE-2026-80190?
How do I fix CVE-2026-80190?
No fix has been published for CVE-2026-80190 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2026-80190 being exploited?
There is no known exploitation of CVE-2026-80190 in the wild and no public exploit code.
Sources
Also known as GHSA-48v3-gqwp-rxgg.