Information disclosure in Apache Software Foundation Allura

CVE-2026-81270

Apache Allura: exposure of non-public information via search. This issue affects Apache Allura: through 1.20.0. Users are recommended to upgrade to version 1.21.0, which fixes the issue.

Vulnerability class: Information Disclosure

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.004 (36.1th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 36th percentile — 36.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-81270: held from 0.004 to 0.004.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: +0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-81270?
CVE-2026-81270 is a high-severity vulnerability in Apache Software Foundation Allura, classified under Information Disclosure. CVSS score: 7.5/10. Published 2026-09-04.
How severe is CVE-2026-81270?
High severity. CVSS v3 base score is 7.5 out of 10.