LOWPyPI →
Flask uses fallback key instead of current signing key
Flask uses fallback key instead of current signing key
Affected packages
- flask— 3.1.0 → 3.1.1
Exploit signal
- Known exploited (CISA KEV)
- No
- EPSS score
- —
- EPSS percentile
- —
EPSS is the probability a CVE is exploited in the wild; percentile is its rank among all CVEs.
Sources
- https://github.com/pallets/flask/security/advisories/GHSA-4grg-w6v8-c28g
- https://nvd.nist.gov/vuln/detail/CVE-2025-47278
- https://github.com/pallets/flask/commit/73d6504063bfa00666a92b07a28aaf906c532f09
- https://github.com/pallets/flask
- https://github.com/pallets/flask/releases/tag/3.1.1
Structured record: https://osv.dev/vulnerability/GHSA-4grg-w6v8-c28g
Recommended response stack
Snyk — Scan your dependencies in CI and fix this vulnerability.→Socket — Detect malicious and compromised packages before they ship.→
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