CVE-2026-48526
7.4 · HIGHOverview
CVE-2026-48526 is a high-severity vulnerability affecting pyjwt_project pyjwt. It was published on May 28, 2026 and has a CVSS 3.1 base score of 7.4 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.4, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
PyJWT is a JSON Web Token implementation in Python. Prior to 2.13.0, when the verifier is decoding JSON Web Tokens, while supporting both asymmetric and HMAC algorithms, the library does not validate use of JSON Web Keys in HMAC algorithm, allowing attacker to use the issuer public key as the secret key for HMAC algorithm. This vulnerability is fixed in 2.13.0.
Remediation
Check the references section for vendor advisories and patches from pyjwt_project. Update pyjwt to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| pyjwt_project | pyjwt | >= 0, < 2.13.0 | Affected |
References
Frequently Asked Questions
What is CVE-2026-48526?
CVE-2026-48526 is a high-severity vulnerability affecting pyjwt_project pyjwt. It was published on May 28, 2026 and has a CVSS 3.1 base score of 7.4 (HIGH).
How severe is CVE-2026-48526?
This vulnerability has a CVSS 3.1 base score of 7.4, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2026-48526?
Check the references section for vendor advisories and patches from pyjwt_project. Update pyjwt to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2026-48526?
CyberStrike's AI-powered security agents can automatically detect CVE-2026-48526 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
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