What’s Vulnerable › Vulnerabilities

CVE-2026-80190: Apache Allura: Stored XSS via code repositories

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-04 · updated 2026-09-08
• Weakness: CWE-79

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.

Affected products

• Apache Software Foundation Apache Allura: through 1.20.0

References

• https://lists.apache.org/thread/fsj2dgdzskky4wkckhh3fth0ogj5trq2
• http://www.openwall.com/lists/oss-security/2026/09/03/5

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