CVE-2016-5431
HIGH
7.5
CVSS Score
Published: August 7, 2019 at 03:13 PM UTC
Updated: June 17, 2026 at 12:49 AM UTC
2 products affected across 2 vendorsPHP JoseJose Project PHP Jose
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Severity
HIGH7.5
Exploit prediction
EPSS 1.0%
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 2.2.1
Affected range stops below 2.2.1, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (1)
x_refsource_CONFIRMPatch
Source: [email protected]
https://github.com/nov/jose-php/commit/1cce55e27adf0274193eb1cd74b927a398a3df4bCVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- HIGH
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-327
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