Lucene search
+L

CVE-2026-102266: Improper Verification of Cryptographic Signature

🗓️ 28 Sep 2026 00:00:00Reported by Rapid7Type 
rapid7
 rapid7
🔗 www.rapid7.com👁 2 Views

Improper verification of cryptographic signature in PyJWT HMACAlgorithm.from_jwk allows forged tokens.

Related
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-102266
11 Sep 202614:20
–circl
cve
CVE
CVE-2026-102266
28 Sep 202620:21
–cve
cvelist
Cvelist
CVE-2026-102266 PyJWK accepts empty HMAC keys, bypassing PyJWT's empty-key validation
28 Sep 202620:21
–cvelist
debiancve
Debian CVE
CVE-2026-102266
28 Sep 202620:21
–debiancve
euvd
EUVD
EUVD-2026-88484
28 Sep 202620:21
–euvd
github
Github Security Blog
PyJWT: PyJWK accepts empty HMAC keys, bypassing PyJWT's empty-key validation
29 Sep 202623:43
–github
nvd
NVD
CVE-2026-102266
28 Sep 202621:17
–nvd
osv
OSV
CGA-26R3-V54J-X6HM
30 Sep 202613:55
–osv
osv
OSV
CGA-2F3W-XC89-2J3H
30 Sep 202613:01
–osv
osv
OSV
CGA-2P39-8729-V4F3
30 Sep 202611:51
–osv
Rows per page

Data

Build on a solid foundation with Vulners data

We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data

Api

Power your application with Vulners API

The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access

App

Assess and manage vulnerabilities with Vulners tools

Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation

29 Sep 2026 00:00Current
6Medium risk
Vulners AI Score6
CVSS 3.17.4
EPSS0.00175
SSVC
2