Apache Answer: User Center integration does not revoke first-login sessions after central account suspension
Summary
| CVE | CVE-2026-86589 |
|---|---|
| State | PUBLISHED |
| Assigner | apache |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-10-19 10:16:49 UTC |
| Updated | 2026-10-19 20:47:17 UTC |
| Description | Incorrect implementation of authentication algorithm vulnerability in Apache Answer. This issue affects Apache Answer: through 2.0.2. A flaw in the User Center login integration can cause a newly created external user session to omit its external identity, allowing subsequent requests to bypass central account suspension or deletion checks until the session expires or is revoked. Users are recommended to upgrade to version 2.0.3, which fixes the issue. |
Risk And Classification
Problem Types: CWE-303 | CWE-303 CWE-303 Incorrect implementation of authentication algorithm
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Apache Software Foundation | Apache Answer | affected 2.0.2 semver | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| lists.apache.org/thread/t8mbzfolzlqz4z5hcwq3v0lnwjqb2tl5 | [email protected] | lists.apache.org | |
| www.openwall.com/lists/oss-security/2026/10/16/33 | af854a3a-2127-422b-91ae-364da2661108 | www.openwall.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
Vendor Comments And Credit
Discovery Credit
CNA: ascanner (en)
There are currently no legacy QID mappings associated with this CVE.