CVE-2026-19896

A flaw has been found in mangroup dtale up to 3.22.0. This vulnerability affects the function build_secret_key of the file dtale/app.py of the component Flask Session Cookie. This manipulation causes insufficiently random values. Remote exploitation of the attack is possible. The attack's complexity is rated as high. It is stated that the exploitability is difficult. The exploit has been published and may be used. The pull request to fix this issue awaits acceptance.

CVSS v4.0

2.9 LOWCVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1

3.7 LOWCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

CVSS v2.0

2.6 LOWAV:N/AC:H/Au:N/C:P/I:N/A:N

EPSS

0.31% chance of exploitation in the next 30 days, 23th percentile

Published

2026-08-15

Updated

2026-08-18

Proof-of-concept exploits (1)

• man-group/dtale/issues/960

References

• CVE Record
• NVD entry

Related

• CVE-2026-19897
• CVE-2026-19895
• CVE-2026-19894
• CVE-2026-19898
• CVE-2026-19889
• CVE-2026-19899