Arbitrary file upload in Apache Answer

CVE-2026-34031

Unrestricted Upload of File with Dangerous Type vulnerability in Apache Answer. This issue affects Apache Answer: through 2.0.0. The server did not sufficiently validate user-supplied image URLs, allowing arbitrary external content to be…

Vulnerability class: Unrestricted File Upload

CVSS v3 metric

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

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-34031?
CVE-2026-34031 is a medium-severity vulnerability in Apache Answer, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 6.5/10. Published 2026-06-09.
How severe is CVE-2026-34031?
Medium severity. CVSS v3 base score is 6.5 out of 10.