Hertz v0.3.0 ws discovered to contain a path traversal vulnerability via the normalizePath function.
Priority HIGH 72CWE-22Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and GitHub. Impact type from CWE-22 and the CVSS impact.
Summary
Hertz v0.3.0 ws discovered to contain a path traversal vulnerability via the normalizePath function.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.01111 66th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed github.com/cloudwego/hertz (Go): 0.3.1
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- Yes
- Technical impact
- Partial
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/cloudwego/hertz (Go) | before 0.3.1 | 0.3.1 | Patch available | GHSA-c9qr-f6c8-rgxf |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- github.com/cloudwego/hertz (Go) Vendor— Affected before 0.3.1 Fixed in 0.3.1 Patch available GHSA-c9qr-f6c8-rgxf
Remediation
- Fix · GHSA-c9qr-f6c8-rgxf github.com/cloudwego/hertz (Go) Fixed in 0.3.1 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2022-40082
- 2026-10-03 Alias added: GHSA-c9qr-f6c8-rgxf
References
Sources
- CVE-2022-40082 · CVE Program
- CVE-2022-40082 · NVD
- FIRST EPSS
- GHSA-c9qr-f6c8-rgxf · GitHub Advisory Database · CC BY 4.0
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