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CVE-2026-9537 Mojo::JWT versions before 1.02 for Perl verify HMAC signatures with a non-constant-time string comparison

🗓️ 17 Jul 2026 15:29:58Reported by CPANSecType 
cvelist
 cvelist
🔗 www.cve.org👁 39 Views

Mojo::JWT for Perl before 1.02 uses non-constant-time HMAC comparison, leaking signature timing and enabling forgery.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-9537
17 Jul 202615:29
attackerkb
circl
Circl
CVE-2026-9537
17 Jul 202616:14
circl
cve
CVE
CVE-2026-9537
17 Jul 202615:29
cve
debiancve
Debian CVE
CVE-2026-9537
17 Jul 202615:29
debiancve
euvd
EUVD
EUVD-2026-45193
17 Jul 202615:29
euvd
nvd
NVD
CVE-2026-9537
17 Jul 202616:17
nvd
opensuse
OPENSUSE Linux
perl-Mojo-JWT-1.20.0-2.1 on GA media (moderate)
6 Aug 202600:00
opensuse
osv
OSV
DEBIAN-CVE-2026-9537
17 Jul 202616:17
osv
osv
OSV
OPENSUSE-SU-2026:11450-1 perl-Mojo-JWT-1.20.0-2.1 on GA media
4 Aug 202600:00
osv
osv
OSV
UBUNTU-CVE-2026-9537
17 Jul 202616:17
osv
Rows per page
[
  {
    "collectionURL": "https://cpan.org/modules",
    "defaultStatus": "unaffected",
    "packageName": "Mojo-JWT",
    "product": "Mojo::JWT",
    "programFiles": [
      "lib/Mojo/JWT.pm"
    ],
    "programRoutines": [
      {
        "name": "Mojo::JWT::decode"
      }
    ],
    "repo": "http://github.com/jberger/Mojo-JWT",
    "vendor": "JBERGER",
    "versions": [
      {
        "lessThan": "1.02",
        "status": "affected",
        "version": "0",
        "versionType": "custom"
      }
    ]
  }
]

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