CWE-347 - Improper Verification of Cryptographic Signature - Cwe

Threat entity extracted from intelligence sources

Frequency
5
occurrences
First Seen
May 29, 2026
Last Seen
July 5, 2026

CWE-347 - Improper Verification of Cryptographic Signature is a cwe tracked across 4 threat clusters and 5 intelligence report mentions on ThreatCluster. First observed May 29, 2026; most recent activity July 5, 2026.

Related Threat Clusters

Recent Intelligence Reports

  • CVE-2026-58426 - Gitea Actions Artifacts V4 signed URL HMAC ambiguity allows cross-repository artifact read and cross-task upload-state write Latest Vulnerabilities / 1d CVE ID : CVE-2026-58426 Published : July 3, 2026, 8:54 p.m. 3 hours, 25 minutes ago Description : Gitea Actions Artifacts V4 signed URL HMAC ambiguity allows cross-repository artifact read and cross-task upload-state write Severity: 0.0 NA Visit the link for more details, such as CVSS details, affected products, timeline, and mo — cvefeed.io · July 5, 2026
  • CISA Adds Actively Exploited SimpleHelp Vulnerability to KEV Catalog — Gbhackers · July 1, 2026
  • FG-IR-25-647 — fortiguard.fortinet.com · June 22, 2026
  • FG-IR-25-647 — www.fortiguard.com · June 22, 2026
  • 5 Vulnerabilities in Every Vibe-Coded App — Strobes.Co · May 29, 2026

CVSS v3.1 Breakdown