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DataEase CVE-2026-57172

| EUVDEUVD-2026-42093 HIGH
Use of Hard-coded Cryptographic Key (CWE-321)
2026-07-07 GitHub_M
Authentication Bypass Dataease
8.3
CVSS 4.0 · Vendor: GitHub_M
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Severity by source

Vendor (GitHub_M) PRIMARY
8.3 HIGH
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/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
vuln.today AI
6.5 MEDIUM

Network-reachable and unauthenticated (AV:N/PR:N) but AC:H because the attacker must first obtain a passwordless share; primarily unauthorized read access (C:H) with limited integrity and no availability impact.

3.1 AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N
4.0 AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N

Primary rating from Vendor (GitHub_M).

CVSS VectorVendor: GitHub_M

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/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
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
X

Lifecycle Timeline

2
Patch available
Jul 07, 2026 - 22:01 EUVD
Analysis Generated
Jul 07, 2026 - 21:24 vuln.today

DescriptionCVE.org

DataEase is an open source data visualization and analysis tool. Prior to 2.10.24, ShareSecretManage uses a hardcoded default share link signature key, allowing an attacker who can obtain a passwordless share for a resource and user to use the known key link-pwd-fit2cloud to forge linkToken JWTs, bypass TokenFilter verification, and access backend resources as the share creator even if the original share has been revoked. This issue is fixed in version 2.10.24.

AnalysisAI

Authentication bypass in DataEase before 2.10.24 lets remote attackers forge valid share-link JWTs because ShareSecretManage ships with a hardcoded signature key (link-pwd-fit2cloud). An attacker who has obtained any passwordless share can mint linkToken JWTs that pass TokenFilter verification and access backend resources as the original share creator, even after that share has been revoked. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Obtain passwordless share link
Delivery
Extract sample linkToken JWT
Exploit
Forge linkToken with key link-pwd-fit2cloud
Execution
Bypass TokenFilter verification
Impact
Access backend resources as share creator
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Vulnerability AssessmentAI

Exploitation Exploitation requires the attacker to first obtain at least one passwordless share for a resource/user (the AT:P attack requirement in the CVSS 4.0 vector) so they can identify the target share creator and token structure; from there they use the known hardcoded key link-pwd-fit2cloud to forge linkTokens. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 4.0 base score is 8.3 (High) with vector AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:L/VA:N: network reachable, low complexity, no privileges and no user interaction, but a present Attack Requirement (AT:P) reflecting that the attacker must first obtain a passwordless share. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An attacker legitimately receives or discovers a passwordless share link to one DataEase resource and extracts a sample linkToken. Knowing the hardcoded key link-pwd-fit2cloud, they forge new linkToken JWTs for the share creator that pass TokenFilter validation, reading backend resources belonging to that user even after the administrator revoked the original share. …
Remediation Vendor-released patch: upgrade to DataEase 2.10.24 or later, which replaces the hardcoded share-link signature key; this is the definitive fix (advisory GHSA-7cpg-f4cj-7pgm, commit 356e83b518603f5612104760ced80aae8fc5d675). … Detailed patch versions, workarounds, and compensating controls in full report.
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Recommended ActionAI

24 hours: Identify all DataEase instances and current versions; audit share-link access logs for suspicious activity; immediately revoke all passwordless shares until patching is complete. …

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Threat intelligence, references, and detailed analysis are available after sign-in.

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CVE-2026-57172 vulnerability details – vuln.today
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