Flask ↗
Pallets · Web / Runtime
73/100 Good
Summary iPlain-English security verdict for Flask, generated from its current health score, actively-exploited vulnerabilities, and latest supported version.
Flask currently scores 73/100 — good. No tracked vulnerabilities are currently known to be exploited in the wild. It's largely safe; apply minor updates as they appear.
Disclosure trend iNew CVEs published for Flask each year (NVD). A higher bar means more disclosures that year — more scrutiny, not necessarily less safe.
'19
'20
'21
'22
'23
'24
'25
'26
Patch priority — what to act on iThe issues to fix first — actively exploited (CISA KEV) first, then by exploitation probability (EPSS), then severity. Each row's "→ fixed in" is the earliest version that patches it; "see advisory" means no fixed version is published.
No urgent unpatched issues identified. ✓
ℹ lifecycle unknown — needs latest supported version