CVE-2026-28812 json
Apache JSPWiki: UserManager does not sanity-check user database at startup
published 2026-07-30 3 mo ago modified 2026-10-23 16 d ago also EUVD-2026-51179
- cvss
- 9.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.7%
- EPSS 0.7% chance of exploitation in 30 days, percentile 53%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- Apache Software Foundation Apache JSPWiki 2.12.4
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- total
- Assessed
- 3 mo ago
Exploit prediction
0.69% chance of exploitation in the next 30 days, higher than 53% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| CNA | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected products
- Apache Software Foundation Apache JSPWiki
Classification
- Weakness
-
- CWE-290 Authentication Bypass by Spoofing
References
-
lists.apache.org
/thread/n3m666d6t6871dldvz3ct49ooqkbgw2p
vendor-advisory, mailing-list
-
openwall.com
/lists/oss-security/2026/07/30/15
mailing-list, third-party-advisory
Sources
- CVE List CVE-2026-28812
- NVD CVE-2026-28812
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.
CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.