Asymmetric Resource Consumption (Amplification) in Directus - #VU141294
Published: August 7, 2026
Vulnerability identifier: #VU141294
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: N/A
CWE-ID: CWE-405
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to uncontrolled resource consumption in the /utils/hash/verify endpoint and its GraphQL and SDK equivalents when processing caller-supplied Argon2 hashes with attacker-controlled cost parameters. A remote attacker can send a specially crafted request to cause a denial of service.
The affected functionality is reachable without authentication, and exploitation can degrade or make authentication flows unavailable.
Affected software
Directus
Remediation
Install security update from vendor's website.
Directus - update to 12.1.0