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CVE-2026-45363

🗓️ 14 Jul 2026 22:16:00Reported by ubuntu.comType 
ubuntucve
 ubuntucve
🔗 ubuntu.com👁 33 Views

CVE-2026-45363: ruby json web token accepts forged HS256 tokens with an empty key before versions 2.10.3 and 3.2.0; fixed.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-45363
14 Jul 202621:32
–attackerkb
bdu_fstec
BDU FSTEC
JWT Ruby Authentication DoS
7 Jul 202600:00
–bdu_fstec
cgr
Chainguard
CVE-2026-45363 vulnerabilities
26 May 202601:18
–cgr
circl
Circl
CVE-2026-45363
14 Jul 202622:16
–circl
cve
CVE
CVE-2026-45363
14 Jul 202621:32
–cve
cvelist
Cvelist
CVE-2026-45363 `jwt` (Ruby gem) - empty-key HMAC bypass
14 Jul 202621:32
–cvelist
debian
Debian
[SECURITY] [DLA 4787-1] ruby-jwt security update
19 Sep 202604:51
–debian
debian
Debian
[SECURITY] [DSA 6547-1] ruby-jwt security update
6 Oct 202619:54
–debian
debiancve
Debian CVE
CVE-2026-45363
14 Jul 202621:32
–debiancve
nessus
Tenable Nessus
Debian dla-4787 : ruby-jwt - security update
21 Sep 202600:00
–nessus
Rows per page
OSOS VersionArchitecturePackagePackage VersionFilename
Ubuntu18.04allruby-jwt0ruby-jwt_0_all.deb
Ubuntu20.04allruby-jwt0ruby-jwt_0_all.deb
Ubuntu22.04allruby-jwt0ruby-jwt_0_all.deb
Ubuntu24.04allruby-jwt0ruby-jwt_0_all.deb
Ubuntu26.04allruby-jwt0ruby-jwt_0_all.deb
Ubuntu16.04allruby-jwt0ruby-jwt_0_all.deb

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16 Jul 2026 10:55Current
7.1High risk
Vulners AI Score7.1
CVSS 3.19.1
EPSS0.00364
SSVC
33