CVE-2015-10004

7.5 highEPSS 0.8%

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.

Severity

CVSS 3.1

7.5 high

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS: 0.8% chance of exploitation in the next 30 days; higher than 56% of CVEs (scores of 2026-10-31)
CWE: CWE-668
Published: 2022-12-27
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

json_web_token_project:json_web_token

Packages (OSV)

Advisory	Ecosystem	Package	Affected	Fixed in
GHSA-5vw4-v588-pgv8	Go	github.com/robbert229/jwt	<0.0.0-20170426191122-ca1404ee6e83	0.0.0-20170426191122-ca1404ee6e83
GO-2020-0023	Go	github.com/robbert229/jwt	<0.0.0-20170426191122-ca1404ee6e83	0.0.0-20170426191122-ca1404ee6e83

References

https://github.com/robbert229/jwt/commit/ca1404ee6e83fcbafb66b09ed0d543850a15b654
https://github.com/robbert229/jwt/issues/12
https://pkg.go.dev/vuln/GO-2020-0023
https://github.com/robbert229/jwt/commit/ca1404ee6e83fcbafb66b09ed0d543850a15b654
https://github.com/robbert229/jwt/issues/12

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