๐Ÿ” CVE Alert

CVE-2026-85513

MEDIUM 6.3

StackStorm st2 NoOp RBAC backend actionexecutions.py privileges management

CVSS Score
6.3
EPSS Score
0.0%
EPSS Percentile
0th

A weakness has been identified in StackStorm st2 up to 3.9.0. This issue affects the function assert_user_is_admin_if_user_query_param_is_provided of the file st2api/st2api/controllers/v1/actionexecutions.py of the component NoOp RBAC backend. This manipulation of the argument User causes improper privilege management. The attack is possible to be carried out remotely. The exploit has been made available to the public and could be used for attacks. Prior advisory CVE-2022-44009 was reported as a follow-up on the same sink, but this issue is distinct: it needs no Jinja RBAC und affects default install with RBAC disabled. The project was informed of the problem early through an issue report but has not responded yet.

CWE CWE-269 CWE-266
Vendor stackstorm
Product st2
Published Sep 4, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability

Affected Versions

StackStorm / st2
3.0 3.1 3.2 3.3 3.4 3.5 3.6 3.7 3.8 3.9.0

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
vuldb.com: https://vuldb.com/vuln/398678 vuldb.com: https://vuldb.com/vuln/398678/cti vuldb.com: https://vuldb.com/cve/CVE-2026-85513 vuldb.com: https://vuldb.com/submit/894916 github.com: https://github.com/StackStorm/st2/issues/6379 github.com: https://github.com/StackStorm/st2/

Credits

๐Ÿ” geochen (VulDB User) VulDB CNA Team