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TI-2019-13583 Aliases CVE-2019-18848GHSA-cff7-6h4q-q5pj

The json-jwt gem before 1.11.0 for Ruby lacks an element count during the splitting of a JWE string.

Priority LOW 35CWE-287Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
None · High · None
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-287.

Summary

The json-jwt gem before 1.11.0 for Ruby lacks an element count during the splitting of a JWE string.

Why it matters now

EPSS 0.01257 69th percentileScored 2026-11-07
Fix Fixed json-jwt (RubyGems): 1.11.0

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
—json-jwt (RubyGems)before 1.11.01.11.0Patch availableGHSA-cff7-6h4q-q5pj
  • — Vendor— Affected all versions Fixed in — No fix listed CNA
  • json-jwt (RubyGems) Vendor— Affected before 1.11.0 Fixed in 1.11.0 Patch available GHSA-cff7-6h4q-q5pj

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:json-jwt_project:json-jwt:*:*:*:*:*:ruby:*:*before 1.11.0VulnerableJson-jwt Project
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*9.0VulnerableDebian
  • cpe:2.3:a:json-jwt_project:json-jwt:*:*:*:*:*:ruby:*:* Versions before 1.11.0 Vulnerable ·Json-jwt Project
  • cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Debian

Remediation

  • Fix · GHSA-cff7-6h4q-q5pj json-jwt (RubyGems) Fixed in 1.11.0 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-18848
  2. 2026-10-03 Alias added: GHSA-cff7-6h4q-q5pj

References

Patch 2

Advisory 2

Other 2

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences