Status: UPDATED | Advisory ID: CVE-2026-28812
| CVE | CVE-2026-28812 |
| CVSS Score / Version | 9.8 (Critical) / CVSS v3.1 |
| Updated | 2026-09-24 |
| CVSS Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| CVSS Prose | attack vector is network; attack complexity is low; privileges required is none; user interaction is none; scope is unchanged; confidentiality impact is high; integrity impact is high; availability impact is high. |
| Affected products | Apache JSPWiki |
| Classified as | CWE-290 (Authentication Bypass by Spoofing) |
| Exploitation prediction (EPSS) | 0.69% probability of exploitation in the next 30 days (51% percentile) -- FIRST.org's EPSS model. |
| Vendor | Product | Affected Versions | Patch Status |
|---|---|---|---|
| Apache | JSPWiki |
| Subsystems | General OT |
| Sectors | Multiple |
UserManager lack of checks allows impersonation in Apache JSPWiki up to 2.12.3 which may allow attackers to escalate privileges.
Users are recommended to upgrade to version 2.12.4 or newer which fixes this issue.
Monitor Apache's web page for any future patch releases. See vendor advisory link below.
| Source | Reference |
|---|---|
| NVD | https://nvd.nist.gov/vuln/detail/CVE-2026-28812 |
| CVE | https://www.cve.org/CVERecord?id=CVE-2026-28812 |
| Vendor advisory | https://lists.apache.org/thread/n3m666d6t6871dldvz3ct49ooqkbgw2p |