🛡️ openSUSE-SU-2026:21095-1 — python-pyjwt (CVE-2026-48522 +4 more)

⚪ Unknown ✅ No Known Exploit OSV
N/A
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Security update for python-PyJWT

This update for python-PyJWT fixes the following issues

  • CVE-2026-48522: PyJWKClient passes URI arguments directly to urllib.request.urlopen() and allows for SSRF and

token forgery (bsc#1266798).

  • CVE-2026-48523: verifier-side algorithm allow-list bypass when jwt.decode() or jwt.decode_complete() are called

with a PyJWK key (bsc#1266799).

  • CVE-2026-48524: unlimited processing of JWTs with unknown kid values by PyJWKClient.get_signing_key() leads to

unbounded JWKS endpoint requests and DoS (bsc#1266800).

  • CVE-2026-48525: unbounded Base64URL decoding of unused payload segment in b64=false detached JWS allows for DoS

(bsc#1266801).

  • CVE-2026-48526: no validation of use of JSON Web Keys in HMAC algorithm when decoding JSON Web Tokens allows for

forged HS256 tokens (bsc#1266802).

Affected software

openSUSE-SU-2026:21095-1 is recorded against 1 package.

  • python-pyjwt (fixed in 2.12.1-160000.2.1)

Timeline and source

Published on 19 June 2026 and last revised on 30 June 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

bugzilla.suse.com (Report)
bugzilla.suse.com (Report)
bugzilla.suse.com (Report)
bugzilla.suse.com (Report)
bugzilla.suse.com (Report)
www.suse.com (Web)
www.suse.com (Web)
www.suse.com (Web)
www.suse.com (Web)
www.suse.com (Web)

Details

Severity Unknown
CVSS Score N/A
CVSS Vector N/A
CWE N/A
Public Exploit ✅ No
Source OSV
Published 2026-06-19
Updated 2026-08-20
Modified 2026-06-30
Fix URL N/A

Affected Packages

Software From version Fixed in
python-pyjwt 2.12.1-160000.2.1

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