How severe is CVE-2026-24735?

CVE-2026-24735 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2026-24735 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-24735?

CVE-2026-24735 affects Apache Answer. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-24735?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-24735 have an EU (EUVD) identifier?

Yes. CVE-2026-24735 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-5384.

When was CVE-2026-24735 published?

CVE-2026-24735 was published on 2026-02-04 and last updated on 2026-06-17.

CVE-2026-24735

CVE-2026-24735 is a high-severity vulnerability in Apache Answer with a CVSS 3.x base score of 7.5. 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-359.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (45th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-5384
Weakness: CWE-359
Affected product: Apache Answer
Published: 2026-02-04
Last modified: 2026-06-17

Description

Exposure of Private Personal Information to an Unauthorized Actor vulnerability in Apache Answer. This issue affects Apache Answer: through 1.7.1. An unauthenticated API endpoint incorrectly exposes full revision history for deleted content. This allows unauthorized user to retrieve restricted or sensitive information. Users are recommended to upgrade to version 2.0.0, which fixes the issue.

Frequently asked questions

What is CVE-2026-24735?: Exposure of Private Personal Information to an Unauthorized Actor vulnerability in Apache Answer. This issue affects Apache Answer: through 1.7.1. An unauthenticated API endpoint incorrectly exposes full revision history for deleted content. This allows unauthorized user to retrieve restricted or sensitive information. Users are recommended to upgrade to version 2.0.0, which fixes the issue.
How severe is CVE-2026-24735?: CVE-2026-24735 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2026-24735 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-24735?: CVE-2026-24735 affects Apache Answer. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-24735?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-24735 have an EU (EUVD) identifier?: Yes. CVE-2026-24735 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-5384.
When was CVE-2026-24735 published?: CVE-2026-24735 was published on 2026-02-04 and last updated on 2026-06-17.

References

Affected products (1)

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

Other CWE-359 vulnerabilities

CVE-2022-0482 — Critical (CVSS 9.1): Exposure of Private Personal Information to an Unauthorized Actor in GitHub repository alextselegidis/easyappointments…
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