Timing side-channel in github.com/robbert229/jwt
Priority MEDIUM 40CWE-668Published · 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-668 and the CVSS impact.
Summary
Token validation methods are susceptible to a timing side-channel during HMAC comparison. With a large enough number of requests over a low latency connection, an attacker may use this to determine the expected HMAC.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00812 57th percentileScored 2026-11-07
Fix Fixed github.com/robbert229/jwt (github.com/robbert229/jwt): 0.0.0-20170426191122-ca1404ee6e83github.com/robbert229/jwt (Go): 0.0.0-20170426191122-ca1404ee6e83
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 |
|---|---|---|---|---|---|
| github.com/robbert229/jwt | github.com/robbert229/jwt | before 0.0.0-20170426191122-ca1404ee6e83 | 0.0.0-20170426191122-ca1404ee6e83 | Patch available | CNA |
| — | github.com/robbert229/jwt (Go) | before 0.0.0-20170426191122-ca1404ee6e83 | 0.0.0-20170426191122-ca1404ee6e83 | Patch available | GHSA-5vw4-v588-pgv8 |
- github.com/robbert229/jwt Vendorgithub.com/robbert229/jwt Affected before 0.0.0-20170426191122-ca1404ee6e83 Fixed in 0.0.0-20170426191122-ca1404ee6e83 Patch available CNA
- github.com/robbert229/jwt (Go) Vendor— Affected before 0.0.0-20170426191122-ca1404ee6e83 Fixed in 0.0.0-20170426191122-ca1404ee6e83 Patch available GHSA-5vw4-v588-pgv8
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:json_web_token_project:json_web_token:-:*:*:*:*:go:*:* | not specified by NVD | Vulnerable | Json Web Token Project |
- cpe:2.3:a:json_web_token_project:json_web_token:-:*:*:*:*:go:*:* Versions not specified by NVD Vulnerable ·Json Web Token Project
Remediation
- Fix · CNA github.com/robbert229/jwt (github.com/robbert229/jwt) Fixed in 0.0.0-20170426191122-ca1404ee6e83
- Fix · GHSA-5vw4-v588-pgv8 github.com/robbert229/jwt (Go) Fixed in 0.0.0-20170426191122-ca1404ee6e83 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2015-10004
- 2026-10-03 Alias added: GHSA-5vw4-v588-pgv8
References
Sources
- CVE-2015-10004 · CVE Program
- CVE-2015-10004 · NVD
- FIRST EPSS
- GHSA-5vw4-v588-pgv8 · GitHub Advisory Database · CC BY 4.0
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