Summary
namshi/jose insecure JSON Web Signatures (JWS)
namshi/jose allows the acceptance of unsecure JSON Web Signatures (JWS) by default. The vulnerability arises from the $allowUnsecure flag, which, when set to true during the loading of JWSes, permits tokens signed with 'none' algorithms to be processed. This behavior poses a significant security risk as it could allow an attacker to impersonate users by crafting a valid jwt token.
Impact
Affected versions
Security releases
Kodem intelligence
Severity tells you how bad this could be in the worst case. It does not tell you whether you are exposed. Exploitability and impact are functions of runtime truth: whether the vulnerable code is present, reachable, and actually executes in your application. A vulnerable package can sit in your dependency tree and never run.
Kodem, an Intelligent Application Security platform, uses runtime intelligence to reveal which vulnerabilities actually execute in production, so teams prioritize the ones that genuinely matter. Kodem's runtime-powered SCA identifies whether this CVE is reachable in your applications.
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namshi/jose to 1.1.2 or later; namshi/jose to 1.2.2 or later; namshi/jose to 2.0.3 or later; namshi/jose to 2.1.2 or later
Kodem Kai can prioritize this vulnerability in your dependency tree and generate a fix recommendation.
Frequently Asked Questions
- What is GHSA-HXHC-WMG8-XRQF? GHSA-HXHC-WMG8-XRQF is a high-severity security vulnerability in namshi/jose (composer), affecting versions < 1.1.2. It is fixed in 1.1.2, 1.2.2, 2.0.3, 2.1.2.
- Which versions of namshi/jose are affected by GHSA-HXHC-WMG8-XRQF? namshi/jose (composer) versions < 1.1.2 is affected.
- Is there a fix for GHSA-HXHC-WMG8-XRQF? Yes. GHSA-HXHC-WMG8-XRQF is fixed in 1.1.2, 1.2.2, 2.0.3, 2.1.2. Upgrade to this version or later.
- Is GHSA-HXHC-WMG8-XRQF exploitable, and should I be worried? Whether GHSA-HXHC-WMG8-XRQF is exploitable in your environment depends on whether the vulnerable code is present and reachable. A CVSS score is a worst-case rating; it does not account for your specific deployment, configuration, or usage patterns. Kodem, an Intelligent Application Security platform, uses runtime intelligence to show which vulnerabilities actually execute in production, so you can focus on the ones that represent real risk. Get a demo
- What actually determines whether GHSA-HXHC-WMG8-XRQF is exploitable, and how bad it is? Exploitability and impact are not fixed properties of a CVE. They depend on runtime truth: whether the vulnerable code is present, reachable, and actually executes in your application. A high CVSS score on a dependency that never runs is not the same as real risk. Kodem, an Intelligent Application Security platform, uses runtime intelligence to reveal which vulnerabilities actually execute in production, so teams prioritize the ones that genuinely matter.
- How do I fix GHSA-HXHC-WMG8-XRQF?
- Upgrade
namshi/joseto 1.1.2 or later - Upgrade
namshi/joseto 1.2.2 or later - Upgrade
namshi/joseto 2.0.3 or later - Upgrade
namshi/joseto 2.1.2 or later
- Upgrade