Medium 6.1Published Sep 4, 2026

CVE-2026-80180Apache Allura: Stored XSS via markdown HTML processing

Updated under an hour ago (2026-10-19 06:30 UTC)

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It affects Apache Software Foundation Apache Allura. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for Apache Software Foundation Apache Allura

Exploited in the last 30 days

Stored XSS via markdown HTML processing in Apache Allura. This issue affects Apache Allura: from through 1.20.0. Users are recommended to upgrade to version 1.21.0, which fixes the issue.

CVSS: 6.1 MEDIUM (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness (CWE): CWE-79
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: apache
NVD analysis: Deferred
Record last updated: Sep 4, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Apache Software Foundation Apache Allura apache_software_foundation:apache_allura (from the name)	through 1.20.0	CNA record

References

https://lists.apache.org/thread/rjo2hjhp76qhl9f3br8jq909mohvzkpqvendor-advisory
http://www.openwall.com/lists/oss-security/2026/09/03/3

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.