How severe is CVE-2026-34905?

CVE-2026-34905 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2026-34905 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-34905?

CVE-2026-34905 affects Apache Answer. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-34905?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-34905 have an EU (EUVD) identifier?

Yes. CVE-2026-34905 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-35372.

When was CVE-2026-34905 published?

CVE-2026-34905 was published on 2026-06-09 and last updated on 2026-06-17.

CVE-2026-34905

CVE-2026-34905 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-200.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 0% (24th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-35372
Weakness: CWE-200
Affected product: Apache Answer
Published: 2026-06-09
Last modified: 2026-06-17

Description

Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Apache Answer. This issue affects Apache Answer: through 2.0.0. The unlisted question feature did not enforce access restrictions on direct API endpoints, allowing authenticated users to discover and access unlisted questions, their answers, comments, and revision history. Users are recommended to upgrade to version 2.0.1, which fixes the issue.

Frequently asked questions

What is CVE-2026-34905?: Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Apache Answer. This issue affects Apache Answer: through 2.0.0. The unlisted question feature did not enforce access restrictions on direct API endpoints, allowing authenticated users to discover and access unlisted questions, their answers, comments, and revision history. Users are recommended to upgrade to version 2.0.1, which fixes the issue.
How severe is CVE-2026-34905?: CVE-2026-34905 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2026-34905 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-34905?: CVE-2026-34905 affects Apache Answer. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-34905?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-34905 have an EU (EUVD) identifier?: Yes. CVE-2026-34905 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-35372.
When was CVE-2026-34905 published?: CVE-2026-34905 was published on 2026-06-09 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:apache:answer:*:*:*:*:*:*:*:*

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