What is CVE-2026-48912?

CVE-2026-48912 is a medium-severity vulnerability in Apache Answer, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 6.5/10. Published 2026-08-05.

How severe is CVE-2026-48912?

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

Auth bypass in Apache Answer

CVE-2026-48912

Improper Input Validation vulnerability in Apache Answer. This issue affects Apache Answer: through 2.0.1. A missing ownership check in the avatar-cleanup logic allows any authenticated user to delete other users' uploaded files by supplying their file URLs. Users are recommended to upgrade to version 2.0.2, which fixes the issue.

Vulnerability class: IDOR (Insecure Direct Object Reference)

EPSS: 0.003 (23.5th percentile) — read the EPSS interpretation.

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:N/I:H/A:N.

Affected products

Apache Answer
Apache Software Foundation Answer — versions 0

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

References

security@apache.org (vendor-advisory, Mailing List, Vendor Advisory)
af854a3a-2127-422b-91ae-364da2661108 (Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2026-48912?: CVE-2026-48912 is a medium-severity vulnerability in Apache Answer, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 6.5/10. Published 2026-08-05.
How severe is CVE-2026-48912?: Medium severity. CVSS v3 base score is 6.5 out of 10.