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openclaude CVE-2026-90712

| EUVDEUVD-2026-77427 LOW
Improper Resource Shutdown or Release (CWE-404)
2026-09-14 VulDB GHSA-8g2q-59g2-qgcc
2.1
CVSS 4.0 · Vendor: VulDB

Severity by source

Vendor (VulDB) PRIMARY
2.1 MEDIUM
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/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
vuln.today AI
4.3 MEDIUM

Network-reachable OAuth callback requires user interaction; no auth needed; impact is availability-only and limited in scope.

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

Primary rating from Vendor (VulDB).

CVSS VectorVendor: VulDB

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
P
Scope
X

Lifecycle Timeline

4
Analysis Generated
Sep 15, 2026 - 07:16 vuln.today
Severity Changed
Sep 14, 2026 - 12:22 NVD
MEDIUM LOW
CVSS changed
Sep 14, 2026 - 12:22 NVD
5.3 (MEDIUM) 2.1 (LOW)
CVE Published
Sep 14, 2026 - 11:45 cve.org
LOW 2.1

DescriptionCVE.org

A vulnerability was identified in Gitlawb openclaude up to 0.30.0. Impacted is the function waitForCallback of the file src/services/api/xaiOAuthCallback.ts of the component xAI OAuth Callback Handler. The manipulation of the argument Error leads to denial of service. Remote exploitation of the attack is possible. The exploit is publicly available and might be used. The project was informed of the problem early through an issue report but has not responded yet.

AnalysisAI

Denial-of-service in Gitlawb openclaude (all versions up to 0.30.0) arises from improper resource handling in the waitForCallback function of the xAI OAuth Callback Handler (src/services/api/xaiOAuthCallback.ts), where a manipulated Error argument causes availability degradation. The attack is network-reachable but requires user interaction (CVSS 4.0 UI:P), resulting in a low availability impact with no confidentiality or integrity consequences. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
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Delivery
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Exploit
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Execution
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Vulnerability AssessmentAI

Exploitation Exploitation requires that the target deployment has the xAI OAuth authentication feature active and reachable - specifically, the `waitForCallback` function in `src/services/api/xaiOAuthCallback.ts` must be exposed to network traffic. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The overall risk is low despite the existence of a public proof-of-concept. … 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 vendor-released patch has been identified at time of analysis; the project maintainer has not responded to the coordinated disclosure reported via GitHub issue #2101. … Detailed patch versions, workarounds, and compensating controls in full report.

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CVE-2026-90712 vulnerability details – vuln.today

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