mangroup dtale Flask Session Cookie app.py build_secret_key random values
Summary
| CVE | CVE-2026-19896 |
|---|---|
| State | PUBLISHED |
| Assigner | VulDB |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-08-15 15:16:37 UTC |
| Updated | 2026-08-20 12:48:31 UTC |
| Description | 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. |
Risk And Classification
Primary CVSS: v4.0 2.9 LOW from [email protected]
CVSS: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
EPSS: 0.003080000 probability, percentile 0.235710000 (date 2026-08-20)
Problem Types: CWE-310 | CWE-330 | CWE-330 Insufficiently Random Values | CWE-310 Cryptographic Issues
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 4.0 | [email protected] | Secondary | 2.9 | LOW | CVSS: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/C... |
| 4.0 | CNA | DECLARED | 6.3 | MEDIUM | CVSS: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 |
| 3.1 | [email protected] | Secondary | 3.7 | LOW | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N |
| 3.1 | CNA | DECLARED | 3.7 | LOW | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R |
| 3.0 | CNA | DECLARED | 3.7 | LOW | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R |
| 2.0 | [email protected] | Secondary | 2.6 | AV:N/AC:H/Au:N/C:P/I:N/A:N | |
| 2.0 | CNA | DECLARED | 2.6 | AV:N/AC:H/Au:N/C:P/I:N/A:N/E:POC/RL:ND/RC:UR |
CVSS v4.0 Breakdown
Attack Vector
NetworkAttack Complexity
HighAttack Requirements
NonePrivileges Required
NoneUser Interaction
NoneConfidentiality
LowIntegrity
NoneAvailability
NoneSub Conf.
NoneSub Integrity
NoneSub Availability
NoneCVSS: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 Breakdown
Attack Vector
NetworkAttack Complexity
HighPrivileges Required
NoneUser Interaction
NoneScope
UnchangedConfidentiality
LowIntegrity
NoneAvailability
NoneCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
CVSS v3.0 Breakdown
Attack Vector
NetworkAttack Complexity
HighPrivileges Required
NoneUser Interaction
NoneScope
UnchangedConfidentiality
LowIntegrity
NoneAvailability
NoneCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Mangroup | Dtale | affected 3.0 | Not specified |
| CNA | Mangroup | Dtale | affected 3.1 | Not specified |
| CNA | Mangroup | Dtale | affected 3.2 | Not specified |
| CNA | Mangroup | Dtale | affected 3.3 | Not specified |
| CNA | Mangroup | Dtale | affected 3.4 | Not specified |
| CNA | Mangroup | Dtale | affected 3.5 | Not specified |
| CNA | Mangroup | Dtale | affected 3.6 | Not specified |
| CNA | Mangroup | Dtale | affected 3.7 | Not specified |
| CNA | Mangroup | Dtale | affected 3.8 | Not specified |
| CNA | Mangroup | Dtale | affected 3.9 | Not specified |
| CNA | Mangroup | Dtale | affected 3.10 | Not specified |
| CNA | Mangroup | Dtale | affected 3.11 | Not specified |
| CNA | Mangroup | Dtale | affected 3.12 | Not specified |
| CNA | Mangroup | Dtale | affected 3.13 | Not specified |
| CNA | Mangroup | Dtale | affected 3.14 | Not specified |
| CNA | Mangroup | Dtale | affected 3.15 | Not specified |
| CNA | Mangroup | Dtale | affected 3.16 | Not specified |
| CNA | Mangroup | Dtale | affected 3.17 | Not specified |
| CNA | Mangroup | Dtale | affected 3.18 | Not specified |
| CNA | Mangroup | Dtale | affected 3.19 | Not specified |
| CNA | Mangroup | Dtale | affected 3.20 | Not specified |
| CNA | Mangroup | Dtale | affected 3.21 | Not specified |
| CNA | Mangroup | Dtale | affected 3.22.0 | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| vuldb.com/vuln/390086/cti | [email protected] | vuldb.com | |
| github.com/man-group/dtale/issues/960 | [email protected] | github.com | |
| vuldb.com/vuln/390086 | [email protected] | vuldb.com | |
| vuldb.com/cve/CVE-2026-19896 | [email protected] | vuldb.com | |
| vuldb.com/submit/870672 | [email protected] | vuldb.com | |
| github.com/man-group/dtale/pull/963 | [email protected] | github.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
Vendor Comments And Credit
Discovery Credit
CNA: ZAST.AI (VulDB User) (en)
CNA: VulDB CNA Team (en)
Additional Advisory Data
| Source | Time | Event |
|---|---|---|
| CNA | 2026-08-14T00:00:00.000Z | Advisory disclosed |
| CNA | 2026-08-14T02:00:00.000Z | VulDB entry created |
| CNA | 2026-08-14T21:02:35.000Z | VulDB entry last update |
There are currently no legacy QID mappings associated with this CVE.