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WolfStack EUVDEUVD-2026-57638

| CVE-2026-73519 CRITICAL
Use of Hard-coded Credentials (CWE-798)
2026-08-12 VulnCheck GHSA-pm35-p792-8vr3
Docker Authentication Bypass Wolfstack
9.3
CVSS 4.0 · Vendor: VulnCheck
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Severity by source

Vendor (VulnCheck) PRIMARY
9.3 CRITICAL
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/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
10.0 CRITICAL

Remote, unauthenticated, low-complexity header bypass yields root command execution inside containers, and escaping the management app to control container workloads justifies S:C with full C/I/A impact.

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

Primary rating from Vendor (VulnCheck).

CVSS VectorVendor: VulnCheck

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/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

3
Patch available
Aug 12, 2026 - 22:03 EUVD
Analysis Generated
Aug 12, 2026 - 21:51 vuln.today
CVE Published
Aug 12, 2026 - 21:15 cve.org
CRITICAL 9.3

DescriptionCVE.org

WolfStack before 25.9.2 contains a hard-coded cluster-authentication secret compiled into every build and published as a constant in src/auth/mod.rs, allowing remote unauthenticated attackers to bypass authentication by supplying this value in the X-WolfStack-Secret header to the require_auth() gate without any session, API key, or user account. Attackers can reach an affected node's management port to enumerate all Docker and LXC containers on the host and execute arbitrary commands as root inside any container via the POST /api/containers/{runtime}/{id}/exec endpoint.

Articles & Coverage 2

News 3 New Docker Vulnerabilities - 1 Critical, 2 High, 2 With POC Aug 13, 2026 News Critical Authentication Bypass in WolfStack Docker - CVE-2026-73519 Aug 12, 2026

AnalysisAI

Remote unauthenticated authentication bypass in WolfStack before 25.9.2 lets attackers fully compromise container hosts by supplying a hard-coded cluster secret in the X-WolfStack-Secret header. Because the secret is a compile-time constant published in src/auth/mod.rs, anyone who can reach a node's management port passes the require_auth() gate with no session, API key, or account, and can then enumerate every Docker/LXC container and run arbitrary commands as root inside any of them. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Reach node management port
Delivery
Send X-WolfStack-Secret header
Exploit
Bypass require_auth() gate
Execution
Enumerate Docker/LXC containers
Persist
POST exec into container
Impact
Execute arbitrary commands as root
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Vulnerability AssessmentAI

Exploitation Exploitation requires only network reachability to an affected node's management port plus inclusion of the hard-coded value in the X-WolfStack-Secret HTTP header - no session, API key, or user account is needed, matching AV:N/AC:L/PR:N/UI:N. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment This is a genuine high-priority issue rather than an inflated CVSS score. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An attacker scans for exposed WolfStack management ports, then sends an HTTP request carrying the publicly known X-WolfStack-Secret header value, instantly passing require_auth() as an unauthenticated party. They list all Docker and LXC containers on the node and issue POST /api/containers/{runtime}/{id}/exec calls to run arbitrary commands as root inside any container, using that foothold for data theft, lateral movement, or host compromise. …
Remediation Upgrade to WolfStack 25.9.2 or later, which removes the hard-coded secret; this is the primary and complete fix (Vendor-released patch: 25.9.2). … Detailed patch versions, workarounds, and compensating controls in full report.
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Recommended ActionAI

Within 24 hours: Restrict all network access to WolfStack management ports to a small set of trusted administrative jump hosts via firewall rules, disable remote access to management ports if operationally feasible, and enable comprehensive logging of all management port connection attempts. …

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

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EUVD-2026-57638 vulnerability details – vuln.today
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