EUVD-2026-59768
GHSA-q2jc-92rc-h772
Severity by source
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
Network access and cookie interception required (AV:N, AC:H, PR:N); impact limited to partial session confidentiality (C:L); no integrity or availability impact.
Primary rating from Vendor (vuldb).
CVSS VectorVendor: vuldb
Lifecycle Timeline
2DescriptionCVE.org
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.
AnalysisAI
Weak session key generation in dtale up to version 3.22.0 allows remote attackers with network access and session cookie capture capability to predict or brute-force the Flask SECRET_KEY and subsequently forge session cookies. The build_secret_key function in dtale/app.py generates a 10-character key using NumPy's non-cryptographic PRNG over a 36-character alphabet, yielding severely insufficient entropy for a security-sensitive value. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires that dtale is running with the default build_secret_key function generating its Flask SECRET_KEY, meaning no externally configured SECRET_KEY has been set via environment variable or Flask configuration override. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 4.0 score of 2.9 with AC:H reflects genuine exploitation difficulty - the attacker must first capture a valid session cookie, then characterize and exploit the NumPy PRNG state to derive the key, which is computationally demanding but theoretically feasible given the constrained key space. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | No merged patched release is available at time of analysis - the upstream fix PR (https://github.com/man-group/dtale/pull/963) has not yet been accepted into the main branch, and no patched version number has been independently confirmed from any vendor advisory. … Detailed patch versions, workarounds, and compensating controls in full report. |
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Same weakness CWE-310 – Cryptographic Issues
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External POC / Exploit Code
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