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CVE-2016-5431
The PHP JOSE Library by Gree Inc. before version 2.2.1 is vulnerable to key confusion/algorithm substitution in the JWS component…
High7.5EPSS 0.95%
- Published
- Updated
- Reserved
- Assigned by
- redhat
Description
The PHP JOSE Library by Gree Inc. before version 2.2.1 is vulnerable to key confusion/algorithm substitution in the JWS component resulting in bypassing the signature verification via crafted tokens.
Timeline
ID reserved
By redhat
- 3 years later
· 3 years later
Published
- 5 years later
· 5 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | High7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
- EPSS (exploitation in 30 days)
- 0.95% · top 38% of all CVEs (9 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Weakness
Affected products
jose-php
- affected fixed in 2.2.1
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- Packagistgree/joseGHSA-xm5f-hc9r-76f3 (opens in a new tab)
References (1)
- https://github.com/nov/jose-php/commit/1cce55e27adf0274193eb1cd74b927a398a3df4b (opens in a new tab)x_refsource_CONFIRMx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2022-5819 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-xm5f-hc9r-76f3 (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2016-5431)Record last updated .