PatchTheCVECVE-2026-13239: Missing Authorization vulnerability in Drupal WissKI allows Forceful Browsing
CVE-2026-13239 is a medium-severity flaw (CVSS 6.5) affecting wisski. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Missing Authorization vulnerability in Drupal WissKI allows Forceful Browsing. This issue affects WissKI versions: from 0.0.0 to 4.2.0.
Why this priority
- Remotely exploitable, no login, no user action
A fixed release or distro patch exists.
Risk facts
| CVSS score | 6.5 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 0.3% (top 82%) |
| CISA exploited list | No |
| Weakness | CWE-862 |
| Published | 2026-07-10 |
| Last modified | 2026-10-25 |
Last updated 2026-10-25 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-13239?
wisski: upgrade to 4.2. Exact commands for each OS are on this page.
Is CVE-2026-13239 being exploited?
CVE-2026-13239 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-13239 affect?
CVE-2026-13239 affects wisski. Severity is medium (CVSS 6.5). Missing Authorization vulnerability in Drupal WissKI allows Forceful Browsing. This issue affects WissKI versions: from 0.0.0 to 4.2.0.
How urgent is CVE-2026-13239?
Priority 32/100. Remotely exploitable, no login, no user action