Bug 2482734 (CVE-2026-48526)
| Summary: | CVE-2026-48526 python-pyjwt: PyJWT: Authentication bypass due to forged JSON Web Tokens | ||
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| Product: | [Other] Security Response | Reporter: | OSIDB Bzimport <bzimport> |
| Component: | vulnerability | Assignee: | Product Security DevOps Team <prodsec-dev> |
| Status: | NEW --- | QA Contact: | |
| Severity: | high | Docs Contact: | |
| Priority: | high | ||
| Version: | unspecified | CC: | alinfoot, anpicker, anthomas, aprice, aruklets, bbrownin, bdettelb, bparees, cahl, cmyers, dfreiber, dnakabaa, doconnor, dranck, drow, dschmidt, dtrifiro, eborisov, ehelms, erezende, ggainey, hasun, ilpinto, jburrell, jfula, jkoehler, jlanda, jmitchel, jowilson, jpasqual, jsamir, juwatts, jwong, kaycoth, kshier, lball, lbrazdil, lcouzens, ljawale, lphiri, ltomasbo, luizcosta, mbarnett, mdellweg, mhayden, mhulan, mminar, msilmser, ngough, nmoumoul, nweather, nyancey, oezr, omaciel, ometelka, osousa, pcreech, ptisnovs, rbiba, rbobbitt, rbryant, rchan, rhel-process-autobot, rjohnson, sdoran, simaishi, smallamp, smcdonal, sskracic, stcannon, syedriko, teagle, tmalecek, tpfromme, ttakamiy, veshanka, vkumar, watson-tool-maintainers, weaton, xdharmai, yguenane, ykashtan |
| Target Milestone: | --- | Keywords: | Security |
| Target Release: | --- | ||
| Hardware: | All | ||
| OS: | Linux | ||
| Whiteboard: | |||
| Fixed In Version: | Doc Type: | --- | |
| Doc Text: |
A flaw was found in PyJWT, a Python library for JSON Web Token (JWT) implementation. When decoding JWTs, the library fails to validate the use of JSON Web Keys (JWK) in the HMAC algorithm while also supporting asymmetric algorithms. This allows a remote attacker to use the issuer's public key as the secret key for the HMAC algorithm, leading to the ability to forge JWTs. This vulnerability can result in authentication bypass or unauthorized access.
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Story Points: | --- |
| Clone Of: | Environment: | ||
| Last Closed: | Type: | --- | |
| Regression: | --- | Mount Type: | --- |
| Documentation: | --- | CRM: | |
| Verified Versions: | Category: | --- | |
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |
| Cloudforms Team: | --- | Target Upstream Version: | |
| Embargoed: | |||
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Description
OSIDB Bzimport
2026-05-28 16:01:45 UTC
This issue has been addressed in the following products: Red Hat Enterprise Linux 10 Via RHSA-2026:25902 https://access.redhat.com/errata/RHSA-2026:25902 This issue has been addressed in the following products: Red Hat Enterprise Linux 9 Via RHSA-2026:26206 https://access.redhat.com/errata/RHSA-2026:26206 This issue has been addressed in the following products: Red Hat Ansible Automation Platform 2.6 for RHEL 9 Via RHSA-2026:34160 https://access.redhat.com/errata/RHSA-2026:34160 This issue has been addressed in the following products: Red Hat Enterprise Linux 10.0 Extended Update Support Via RHSA-2026:35845 https://access.redhat.com/errata/RHSA-2026:35845 This issue has been addressed in the following products: Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions Via RHSA-2026:35836 https://access.redhat.com/errata/RHSA-2026:35836 This issue has been addressed in the following products: Red Hat Enterprise Linux 9.6 Extended Update Support Via RHSA-2026:35835 https://access.redhat.com/errata/RHSA-2026:35835 This issue has been addressed in the following products: Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions Via RHSA-2026:35837 https://access.redhat.com/errata/RHSA-2026:35837 This issue has been addressed in the following products: Red Hat Satellite 6.17 for RHEL 9 Via RHSA-2026:50222 https://access.redhat.com/errata/RHSA-2026:50222 This issue has been addressed in the following products: Red Hat Satellite 6.16 for RHEL 8 Red Hat Satellite 6.16 for RHEL 9 Via RHSA-2026:50223 https://access.redhat.com/errata/RHSA-2026:50223 This issue has been addressed in the following products: Red Hat Satellite 6.18 for RHEL 9 Via RHSA-2026:50263 https://access.redhat.com/errata/RHSA-2026:50263 This issue has been addressed in the following products: Red Hat Ansible Automation Platform 2.5 for RHEL 9 Red Hat Ansible Automation Platform 2.5 for RHEL 8 Via RHSA-2026:50319 https://access.redhat.com/errata/RHSA-2026:50319 This issue has been addressed in the following products: Red Hat Ansible Automation Platform 2.6 for RHEL 9 Red Hat Ansible Automation Platform 2.6 for RHEL 10 Via RHSA-2026:50336 https://access.redhat.com/errata/RHSA-2026:50336 |