CVE-2026-85513StackStorm st2 NoOp RBAC backend actionexecutions.py privileges management
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No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- 6.3 MEDIUM (v3.1, CNA)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
- Weakness (CWE)
- CWE-269, CWE-266
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulDB
- NVD analysis
- Deferred
- Record last updated
- Sep 8, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
StackStorm st2 stackstorm:st2 | 3.0; 3.1; 3.2; 3.3; 3.4; 3.5; 3.6; 3.7; and 2 more ranges | CNA record |
References
- https://vuldb.com/vuln/398678vdb-entry, technical-description
- https://vuldb.com/vuln/398678/ctisignature, permissions-required
- https://vuldb.com/cve/CVE-2026-85513third-party-advisory
- https://vuldb.com/submit/894916third-party-advisory
- https://github.com/StackStorm/st2/issues/6379exploit, issue-tracking
- https://github.com/StackStorm/st2/product
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.