What is CVE-2026-73240?

CVE-2026-73240 is a critical-severity vulnerability in Apache Allura, classified under Argument Injection. CVSS score: 9.8/10. Published 2026-08-12.

How severe is CVE-2026-73240?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Apache Allura

CVE-2026-73240

Specifically crafted inputs may lead to git argument injection 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 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.010 (62.7th percentile), scored 2026-09-27.

Low probability of exploitation in the next 30 days, but still tracked. 63rd percentile — 62.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.010 · change: +0.005

Affected products

Apache Allura
Apache Software Foundation Allura — versions 0

Weakness classification (CWE)

CWE-88 — Argument Injection

References

allura.apache.org/posts/2026-allura-1.19.1.html (Release Notes)
lists.apache.org/thread/10gnxblhomk2z4gxcyyb4t3p4zxsdddv (vendor-advisory, Mailing List, Vendor Advisory)
af854a3a-2127-422b-91ae-364da2661108 (Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2026-73240?: CVE-2026-73240 is a critical-severity vulnerability in Apache Allura, classified under Argument Injection. CVSS score: 9.8/10. Published 2026-08-12.
How severe is CVE-2026-73240?: Critical severity. CVSS v3 base score is 9.8 out of 10.