Quick answers
- Is CVE-2026-90910 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-90910 being exploited in the wild.
- How severe is CVE-2026-90910?
- Informational severity, published 19 October 2026.
- Which products and versions are affected?
- Apache Answer through 2.0.2.
- Is there a fix for CVE-2026-90910?
- Yes: fixed in 2.0.3. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
- How is CVE-2026-90910 attacked?
- It is attacked over the network.
- Am I affected by CVE-2026-90910?
- Check whether you run Apache Answer at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
How to fix
- Fixed in: 2.0.3
Technical details
The reactions API in Apache Answer does not enforce content visibility controls, allowing unauthenticated or unprivileged users to read reaction metadata from restricted content and add/remove reactions. This affects the reaction endpoint which lacks proper authorization checks before processing requests.
Affected products
- Apache Answer through 2.0.2
Timeline
- 2026-10-19: disclosed