Unauthorized Access to Deleted Content in Apache Answer
CVE-2026-24735

7.5HIGH

Key Information:

Vendor

Apache
Status
Apache Answer
Vendor
CVE Published:
4 February 2026

What is CVE-2026-24735?

An issue has been identified in Apache Answer, where an unauthenticated API endpoint inadvertently reveals the complete revision history of deleted content. This vulnerability enables unauthorized users to access sensitive information that should remain restricted. To mitigate this risk, it is highly recommended that users upgrade to version 2.0.0, which addresses this security flaw.

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Affected Version(s)

Apache Answer 0 <= 1.7.1

References

https://lists.apache.org/thread/whxloom7mpxlyt5wzdskflsg5...
vendor-advisory

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Sho Odagiri of GMO Cybersecurity by Ierae, Inc.
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