Product by Sigstore
Fulcio
3 known vulnerabilities in Fulcio (Sigstore), 0 of them actively exploited (CISA KEV).
Key figures
3
Vulnerabilities
0
Actively exploited (KEV)
0
Used by ransomware
0
Critical
Vulnerabilities
Actively exploited vulnerabilities (CISA KEV) first, then by priority. Click a column header to re-sort the table.
| High | CVE-2026-49478 | Sigstore Fulcio: Server-Side Request Forgery (SSRF) | 8.7 | |
| High | CVE-2025-66506 | Fulcio allocates excessive memory during token parsing | 7.5 | |
| Medium | CVE-2026-22772 | Fulcio vulnerable to Server-Side Request Forgery (SSRF) via MetaIssuer Regex Bypass | 5.8 |