Apache Answer: XSS in AI Answer Rendering
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and GitHub.
Summary
Improper Neutralization of Alternate XSS Syntax vulnerability in Apache Answer. This issue affects Apache Answer: through 2.0.0. AI-generated response content was rendered in the browser without proper sanitization, allowing malicious scripts to be executed when the content was viewed. Users are recommended to upgrade to version 2.0.1, which fixes the issue.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Apache | Apache Answer | up to 2.0.0 | — | No fix listed | CNA |
| — | github.com/apache/incubator-answer (Go) | before 1.7.2-0.20260525024654-2746bf5b455f | 1.7.2-0.20260525024654-2746bf5b455f | Patch available | GHSA-hmr2-99jm-8x45 |
- Apache Answer VendorApache Affected up to 2.0.0 Fixed in — No fix listed CNA
- github.com/apache/incubator-answer (Go) Vendor— Affected before 1.7.2-0.20260525024654-2746bf5b455f Fixed in 1.7.2-0.20260525024654-2746bf5b455f Patch available GHSA-hmr2-99jm-8x45
Remediation
- Fix · GHSA-hmr2-99jm-8x45 github.com/apache/incubator-answer (Go) Fixed in 1.7.2-0.20260525024654-2746bf5b455f Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2026-25688
- 2026-10-03 Alias added: GHSA-hmr2-99jm-8x45
References
More Apache Answer vulnerabilities
- TI-2024-14967 Apache Answer: Pixel Flood Attack by uploading the large pixel file CVSS 3.1CRITICAL 9.1
- TI-2026-42802 Apache Answer: Residual Administrative API Key Access After Role or Account Revocation CVSS 3.1CRITICAL 9.1
- TI-2026-42790 Apache Answer: Unauthorized disclosure of deleted or pending answer content CVSS 3.1HIGH 7.5
- TI-2026-36171 Apache Answer: Unauthenticated OAuth Email-Binding Account Takeover via Existing User Confirmation Flow CVSS 3.1HIGH 7.5
- TI-2026-36100 Apache Answer: Denial of service via crafted Accept-Language header parsing CVSS 3.1HIGH 7.5
- TI-2026-19940 Apache Answer: Revision API Improper Access Control leads to Information Disclosure CVSS 3.1HIGH 7.5
Sources
- CVE-2026-25688 · CVE Program
- CVE-2026-25688 · NVD
- FIRST EPSS
- GHSA-hmr2-99jm-8x45 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences