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CVE-2026-102274 PyJWT: Malformed RSA JWK aborts parsing of an entire JWK Set

🗓️ 28 Sep 2026 20:42:28Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 52 Views

Malformed RSA JWK in PyJWT 2.9.0-2.14.0 causes PyJWKSet parsing to abort, causing DoS.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
bdu_fstec
BDU FSTEC
PyJWT RSAAlgorithm.from_jwk() DoS
2 Oct 202600:00
–bdu_fstec
cbl_mariner
CBLMariner
CVE-2026-102274 affecting package python-jwt for versions less than 2.15.1-1
6 Oct 202618:59
–cbl_mariner
cgr
Chainguard
CVE-2026-102274 vulnerabilities
30 Sep 202620:54
–cgr
circl
Circl
CVE-2026-102274
8 Sep 202620:35
–circl
cve
CVE
CVE-2026-102274
28 Sep 202620:42
–cve
debiancve
Debian CVE
CVE-2026-102274
28 Sep 202620:42
–debiancve
euvd
EUVD
EUVD-2026-88542
29 Sep 202618:23
–euvd
github
Github Security Blog
PyJWT: Malformed RSA JWK aborts parsing of an entire JWK Set
29 Sep 202618:23
–github
mend
Mend
CVE-2026-102274
28 Sep 202620:42
–mend
mscve
Microsoft CVE
PyJWT: Malformed RSA JWK aborts parsing of an entire JWK Set
1 Oct 202608:17
–mscve
Rows per page
[
  {
    "vendor": "jpadilla",
    "product": "pyjwt",
    "versions": [
      {
        "version": ">= 2.9.0, < 2.14.0",
        "status": "affected"
      }
    ]
  }
]

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28 Sep 2026 20:42Current
CVSS 3.15.9
EPSS0.00389
SSVC
52