CVE-2026-85514 (GCVE-0-2026-85514)
Vulnerability from cvelistv5 – Published: 2026-09-04 12:45 – Updated: 2026-09-04 18:00
VLAI
EPSS
VEX
Title
StackStorm st2 API Key auth.py privileges management
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.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-04 17:59 UTC
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/398679 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/398679/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-85514 | third-party-advisory |
| https://vuldb.com/submit/894917 | third-party-advisory |
| https://github.com/StackStorm/st2/issues/6380 | exploitissue-tracking |
| https://github.com/StackStorm/st2/ | product |
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| StackStorm | st2 |
Affected:
3.0
Affected: 3.1 Affected: 3.2 Affected: 3.3 Affected: 3.4 Affected: 3.5 Affected: 3.6 Affected: 3.7 Affected: 3.8 Affected: 3.9.0 cpe:2.3:a:stackstorm:st2:*:*:*:*:*:*:*:* |
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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