NATS nats-server 2.2.0 through 2.7.4 allows directory traversal because of an unintended…
Priority MEDIUM 51CWE-22Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub.
Summary
NATS nats-server 2.2.0 through 2.7.4 allows directory traversal because of an unintended path to a management action from a management account.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01158 67th percentileScored 2026-11-07
Fix Fixed github.com/nats-io/nats-server (Go): 2.7.4
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | github.com/nats-io/nats-server (Go) | 2.2.0 to before 2.7.4 | 2.7.4 | Patch available | GHSA-vpjc-4jcv-jc29 |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- github.com/nats-io/nats-server (Go) Vendor— Affected 2.2.0 to before 2.7.4 Fixed in 2.7.4 Patch available GHSA-vpjc-4jcv-jc29
Remediation
- Fix · GHSA-vpjc-4jcv-jc29 github.com/nats-io/nats-server (Go) Fixed in 2.7.4 Advisory →
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2022-28357
- 2026-10-03 Alias added: GHSA-vpjc-4jcv-jc29
References
More backstage Nats-server vulnerabilities
- TI-2026-22233 NATS: Pre-auth remote server crash via WebSocket frame length overflow in wsRead CVSS 3.1HIGH 7.5
- TI-2020-16319 The JWT library in NATS nats-server before 2.1.9 has Incorrect Access Control because of… CVSS 3.1CRITICAL 9.8
- TI-2026-25637 NATS has MQTT plaintext password disclosure CVSS 3.1HIGH 8.6
- TI-2022-08320 NATS nats-server before 2.7.2 has Incorrect Access Control. CVSS 3.1HIGH 8.8
- TI-2026-41950 NATS Server: Pre-auth server crash via double INFO in leafnode handshake CVSS 3.1HIGH 7.5
- TI-2026-41920 NATS Server: MQTT partial CONNECT packets can exhaust pre-auth memory CVSS 3.1HIGH 7.5
Sources
- CVE-2022-28357 · CVE Program
- CVE-2022-28357 · NVD
- FIRST EPSS
- GHSA-vpjc-4jcv-jc29 · GitHub Advisory Database · CC BY 4.0
- CVE-2022-28357 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences