Headscale through 0.22.3 writes bearer tokens to info-level logs.
Priority MEDIUM 40CWE-532Published · 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
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-532.
Summary
Headscale through 0.22.3 writes bearer tokens to info-level logs.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0066 51st percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- 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/juanfont/headscale (Go) | up to 0.22.3 | — | No fix listed | GHSA-wp76-cf2j-rqq7 |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- github.com/juanfont/headscale (Go) Vendor— Affected up to 0.22.3 Fixed in — No fix listed GHSA-wp76-cf2j-rqq7
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-47390
- 2026-10-03 Alias added: GHSA-wp76-cf2j-rqq7
- 2026-10-08 EPSS moved to the 50th–90th percentile
References
Sources
- CVE-2023-47390 · CVE Program
- CVE-2023-47390 · NVD
- FIRST EPSS
- GHSA-wp76-cf2j-rqq7 · GitHub Advisory Database · CC BY 4.0
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