15 CVEs
Signal Vulnerabilities
CVE security advisories and vulnerability history for Signal.
15
Total CVEs
Published
0
In CISA KEV
Exploited in the wild
3
Public exploits
PoC or exploit code
6.2
Avg CVSS
2018–2025
Overview
Signal has 15 published CVE records since 2018, of which 0 are in CISA's Known Exploited Vulnerabilities catalog and 3 have a known public exploit. The average CVSS base score across scored CVEs is 6.2.
This page aggregates every publicly disclosed vulnerability (CVE) affecting Signal products, with severity breakdowns, the most-affected products, the most common weakness types, and the latest disclosures.
Security scorecard
A quick read on Signal's vulnerability posture, as a share of its 15 published CVEs.