CVE-2026-34031

CVE-2026-34031 is a medium-severity vulnerability in Apache Answer with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-434.

Key facts

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.

Frequently asked questions

What is 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 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.
How severe is CVE-2026-34031?
CVE-2026-34031 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2026-34031 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-34031?
CVE-2026-34031 affects Apache Answer. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-34031?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-34031 have an EU (EUVD) identifier?
Yes. CVE-2026-34031 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-35370.
When was CVE-2026-34031 published?
CVE-2026-34031 was published on 2026-06-09 and last updated on 2026-06-17.

References

Affected products (1)

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