What is CVE-2026-73239?

CVE-2026-73239 is a medium-severity vulnerability in Apache Allura, classified under Improper Handling of Insufficient Permissions or Privileges. CVSS score: 6.5/10. Published 2026-08-12.

How severe is CVE-2026-73239?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Auth bypass in Apache Allura

CVE-2026-73239

Insecure Direct Object Reference (IDOR) due to missing permission checks for multiple Artifact types in Apache Allura. This issue affects Apache Allura: before 1.19.1. Users are recommended to upgrade to version 1.19.1, which fixes the issue.

Published 2026-08-12 · last modified 2026-08-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.006 (47.7th percentile), scored 2026-09-28.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 48th percentile — 47.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.006 · change: +0.003

Affected products

Apache Allura
Apache Software Foundation Allura — versions 0

Weakness classification (CWE)

References

allura.apache.org/posts/2026-allura-1.19.1.html (Release Notes)
lists.apache.org/thread/ryn6yomo897d43ovrd47g02t8ycmbxb3 (vendor-advisory, Mailing List, Vendor Advisory)
af854a3a-2127-422b-91ae-364da2661108 (Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2026-73239?: CVE-2026-73239 is a medium-severity vulnerability in Apache Allura, classified under Improper Handling of Insufficient Permissions or Privileges. CVSS score: 6.5/10. Published 2026-08-12.
How severe is CVE-2026-73239?: Medium severity. CVSS v3 base score is 6.5 out of 10.