Known vulnerabilities in Flask

Software: Flask
Software CPE: cpe:2.3:a:palletsprojects:flask:*:*:*:*:*:*:*:*
Total vulnerabilities: 5
Public exploits: 0
Known exploited (KEV): 0
Highest CVSSv4 Score: 8.8

Breakdown by Severity Chart

Severity distribution of vulnerabilities affecting Flask Flask is affected by 5 known vulnerabilities: 4 medium, 1 low Critical High Medium Low

Vulnerabilities (5)

Vulnerability CWE-ID CSH Severity Public Exploit KEV First fixed release Published Bulletins
#VU124872 - Use of Cache Containing Sensitive Information
CVE-2026-27205
CWE-524 Medium
No
No
3.1.3 06.04.2026 SB2026040613
SB2026040615
SB2026040617
and 14 more
#VU109059 - Cryptographic Issues
CVE-2025-47278
CWE-310 Low
No
No
3.1.1 13.05.2025 SB2025051380
SB20250521103
SB2025052950
and 11 more
#VU75664 - Exposure of sensitive information to an unauthorized actor
CVE-2023-30861
CWE-200 Medium
No
No
2.2.5, 2.3.2 02.05.2023 SB2023050221
SB2023052227
SB2023052228
and 44 more
#VU19269 - Improper input validation
CVE-2019-1010083
CWE-20 Medium
No
No
1.0 19.07.2019 SB2019072205
SB2021062302
SB2023042037
and 1 more
#VU18150 - Improper input validation
CVE-2018-1000656
CWE-20 Medium
No
No
0.12.3 08.04.2019 SB2019040802
SB2019040213
SB2020060113
and 4 more