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TI-2026-58675 Aliases CVE-2026-85514GHSA-7pr7-27f4-hvhf

StackStorm st2 API Key auth.py privileges management

Priority MEDIUM 57CWE-266Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Privilege escalation
Confidentiality · integrity · availability
Low · Low · Low
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-266.

Summary

A security vulnerability has been detected in StackStorm st2 up to 3.9.0. Impacted is an unknown function of the file st2api/st2api/controllers/v1/auth.py of the component API Key Handler. Such manipulation of the argument api_key_api.user leads to improper privilege management. The attack may be performed from remote. The exploit has been disclosed publicly and may be used. The project was informed of the problem early through an issue report but has not responded yet.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00366 30th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
StackStormst23.0; 3.1; 3.2; 3.3; 3.4; 3.5; 3.6; 3.7; 3.8; 3.9.0—No fix listedCNA
  • st2 VendorStackStorm Affected 3.0; 3.1; 3.2; 3.3; 3.4; 3.5; 3.6; 3.7; 3.8; 3.9.0 Fixed in — No fix listed CNA

CPE names CNA · 1

CPEVersionsRoleVendor
cpe:2.3:a:stackstorm:st2:*:*:*:*:*:*:*:*——StackStorm
  • cpe:2.3:a:stackstorm:st2:*:*:*:*:*:*:*:* Versions — — ·StackStorm

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-85514
  2. 2026-10-03 Alias added: GHSA-7pr7-27f4-hvhf

References

  • TI-2026-58674 StackStorm st2 NoOp RBAC backend actionexecutions.py privileges management CVSS 4.0MEDIUM 5.3
  • TI-2021-20192 In StackStorm versions prior to 3.6.0, the jinja interpreter was not run in sandbox mode… CVSS 3.1HIGH 8.8
  • TI-2022-21635 Improper access control in Key-Value RBAC in StackStorm version 3.7.0 didn't check the… CVSS 3.1HIGH 7.5
  • TI-2021-09734 StackStorm before 3.4.1, in some situations, has an infinite loop that consumes all… CVSS 3.1HIGH 7.5
  • TI-2019-06999 In st2web in StackStorm Web UI before 2.9.3 and 2.10.x before 2.10.3, it is possible to… CVSS 3.0MEDIUM 6.1
  • TI-2022-21463 Cross-site scripting (XSS) vulnerability in the Web UI of StackStorm versions prior to… CVSS 3.1MEDIUM 5.4
See all 7 →

Sources