EUVD-2026-66207
GHSA-r78p-m3m3-cx34
Severity by source
AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:N
PR:H reflects the need for a high-privilege account to reach the vulnerable endpoint; AC:H and UI:R capture the non-automated, interaction-dependent attack path; no availability impact is indicated.
Primary rating from Vendor (drupal).
CVSS VectorVendor: drupal
Lifecycle Timeline
3DescriptionCVE.org
Vulnerability in Drupal PanKM. This issue affects PanKM versions: *.*.
AnalysisAI
Missing authentication on a critical function in the Drupal PanKM contributed module allows a network-accessible, high-privilege attacker-given required user interaction-to bypass module authorization controls and achieve high confidentiality and integrity impact against all currently released versions. All known PanKM releases are affected (CPE wildcard cpe:2.3:a:drupal:pankm:*:*:*:*:*:*:*:*), with the Drupal security team (sa-contrib-2026-083) confirming the issue. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires the PanKM Drupal contributed module to be installed and enabled on the target site. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 base score of 5.7 (Medium) accurately reflects the real-world constraint stack: high attack complexity (AC:H), high privileges required (PR:H), and mandatory user interaction (UI:R) collectively make opportunistic or automated exploitation very unlikely, consistent with the EPSS score of 0.14% (4th percentile) and the SSVC determination of automatable: no. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Site administrators running any version of the Drupal PanKM module should immediately consult the Drupal security advisory at https://www.drupal.org/sa-contrib-2026-083 for the patched release and upgrade instructions; an exact fixed version number is not confirmed in the data available for this analysis. … Detailed patch versions, workarounds, and compensating controls in full report. |
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Same technique Authentication Bypass
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External POC / Exploit Code
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