Incorrect access control in StackStorm API (st2api) in StackStorm before 2.9.2 and 2.10.x…
Priority LOW 25Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- High
- Impact type
- —
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA.
Summary
Incorrect access control in StackStorm API (st2api) in StackStorm before 2.9.2 and 2.10.x before 2.10.1 allows an attacker (who has a StackStorm account and is authenticated against the StackStorm API) to retrieve datastore items for other users by utilizing the /v1/keys "?scope=all" and "?user=<username>" query filter parameters. Enterprise editions with RBAC enabled are not affected.
Why it matters now
EPSS 0.00663 51st percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:stackstorm:stackstorm:*:*:*:*:*:*:*:* | before 2.9.2; 2.10.0 to before 2.10.1 | Vulnerable | StackStorm |
- cpe:2.3:a:stackstorm:stackstorm:*:*:*:*:*:*:*:* Versions before 2.9.2; 2.10.0 to before 2.10.1 Vulnerable ·StackStorm
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2018-20345
- 2026-10-03 Alias added: GHSA-6vf5-fpqv-99pp
- 2026-10-06 EPSS moved to the 50th–90th percentile
References
More Stackstorm vulnerabilities
- 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
Sources
- CVE-2018-20345 · CVE Program
- CVE-2018-20345 · NVD
- FIRST EPSS
- GHSA-6vf5-fpqv-99pp · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences