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Vulnerability record · CVE-2026-34031 · published 9 June 2026

CVE-2026-34031: Apache answer unrestricted file upload vulnerability

Apache · Answer

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 embedded as profile images, which could expose users to unintended external requests and tracking by third-party servers. Users are recommended to upgrade to version 2.0.1, which fixes the issue.

6.5 CVSS 3.1 Medium EPSS 0.64% · top 51.6% CWE-434 · Unrestricted file upload
6.5CVSS 3.1 base score
0.64%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
23 Jul 2026Last modified by NVD

Description

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 embedded as profile images, which could expose users to unintended external requests and tracking by third-party servers. Users are recommended to upgrade to version 2.0.1, which fixes the issue.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://lists.apache.org/thread/rwtxy39t54to9kv3dqtbjsbdpyk4jkd2 Mailing ListVendor Advisory
http://www.openwall.com/lists/oss-security/2026/06/09/4 Mailing ListThird Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2026-34031), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.