CVE-2026-66391 json
Apache Wicket: leaked and missing CSP headers
published 2026-07-27 3 mo ago modified 2026-10-24 16 d ago also EUVD-2026-49368
- cvss
- 6.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.6%
- EPSS 0.6% chance of exploitation in 30 days, percentile 50%
- public exploits
- 0
- none known
Summary
Use of Insufficiently Random Values, Protection Mechanism Failure vulnerability in Apache Wicket.
This issue affects Apache Wicket: from 9.0.0 through 9.23.0, from 10.0.0 through 10.9.0.
Users are recommended to upgrade to version 10.10.0, which fixes the issue.
Patch / fix
- org.apache.wicket wicket-core 10.10.0
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 3 mo ago
Exploit prediction
0.64% chance of exploitation in the next 30 days, higher than 50% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N |
| CNA | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N |
Affected products
- Apache Software Foundation Apache Wicket
Classification
References
-
lists.apache.org
/thread/hfzcgjsbmmthzchtb8b8nv47d95scmqk
vendor-advisory, mailing-list
-
openwall.com
/lists/oss-security/2026/07/27/5
mailing-list, third-party-advisory
Sources
- CVE List CVE-2026-66391
- NVD CVE-2026-66391
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.