What is CVE-2026-25699?

CVE-2026-25699 is a medium-severity vulnerability in Apache Answer, classified under Exposure of Private Personal Information to an Unauthorized Actor. CVSS score: 6.1/10. Published 2026-06-09.

How severe is CVE-2026-25699?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Vulnerability in Apache Answer

CVE-2026-25699

Exposure of Private Personal Information to an Unauthorized Actor vulnerability in Apache Answer. This issue affects Apache Answer: through 2.0.0. Timeline-related APIs lacked proper authorization checks, allowing regular authenticated users to access deleted, private, or unapproved content and its revision history. Users are recommended to upgrade to version 2.0.1, which fixes the issue.

Published 2026-06-09 · last modified 2026-07-23.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.004 (35.0th percentile), scored 2026-11-04.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 35th percentile — 35.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.004 · change: -0.002

Affected products

Apache Answer
Apache Software Foundation Answer — versions 0

Weakness classification (CWE)

CWE-359 — Exposure of Private Personal Information to an Unauthorized Actor

References

lists.apache.org/thread/c36k4hzwhncqo0qfn5fg57f1gkjhyfv8 (vendor-advisory, Mailing List, Vendor Advisory)
af854a3a-2127-422b-91ae-364da2661108 (Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2026-25699?: CVE-2026-25699 is a medium-severity vulnerability in Apache Answer, classified under Exposure of Private Personal Information to an Unauthorized Actor. CVSS score: 6.1/10. Published 2026-06-09.
How severe is CVE-2026-25699?: Medium severity. CVSS v3 base score is 6.1 out of 10.