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CVE-2026-25688 Apache CVE debrief

CVE-2026-25688 is a MEDIUM-severity vulnerability in Apache Answer, a Q&A platform. The issue, classified as CWE-87, involves improper neutralization of alternate XSS syntax. AI-generated response content was rendered in the browser without proper sanitization, allowing malicious scripts to be executed when the content was viewed. This vulnerability affects Apache Answer through version 2.0.0 and is fixed in version 2.0.1.

Vendor
Apache
Product
Answer
CVSS
MEDIUM 6.1
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-09
Original CVE updated
2026-06-10
Advisory published
2026-06-09
Advisory updated
2026-06-10

Who should care

Users of Apache Answer through version 2.0.0 should upgrade to version 2.0.1 to fix the issue.

Technical summary

The vulnerability has a CVSS score of 6.1 and is classified as MEDIUM severity. The CVSS vector is CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N, indicating that the vulnerability can be exploited over the network with low attack complexity and no privileges required.

Defensive priority

MEDIUM

Recommended defensive actions

  • Upgrade to version 2.0.1 of Apache Answer.

Evidence notes

The vulnerability was published on [cve-org](https://www.cve.org/CVERecord?id=CVE-2026-25688) and detailed on [nvd](https://nvd.nist.gov/vuln/detail/CVE-2026-25688).

Official resources

CVE-2026-25688 was published on 2026-06-09T09:16:28.780Z and modified on 2026-06-10T13:12:50.860Z.