CVE-2026-107337: Cross-Site Request Forgery in Malcolm

Severity: high (CVSS 7.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-10-08 · updated 2026-10-08
Weakness: CWE-352

Description

The Malcolm kiosk Flask application exposes a POST /script_call/<script> endpoint with zero authentication and wildcard CORS (CORS(app)). An attacker can force the operator's browser to execute arbitrary management commands via CSRF, including control.py --wipe which permanently deletes all captured network traffic and forensic logs, or control.py --stop which blinds the security monitoring.

Affected products

CISA Malcolm: through 26.07.1

References

https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-280-01.json
https://github.com/cisagov/Malcolm/security/advisories/GHSA-w8gq-4v5x-xrrm
https://github.com/cisagov/Malcolm/security/advisories/GHSA-w8gq-4v5x-xrrm

Get alerted when CVE-2026-107337 or the next vulnerability affects your stack