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gsubs EUVDEUVD-2026-76933

| CVE-2026-90491 LOW
Code Injection (CWE-94)
2026-09-13 VulDB GHSA-qcwq-wqp5-v342
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:L/VI:L/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
6.3 MEDIUM

Network-reachable with no auth required; user interaction needed to trigger showQuerySuccessPage; impact limited to low C/I/A per CVSS 4.0 input metrics; no scope change confirmed.

3.1 AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
4.0 AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/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
Severity Changed
Sep 13, 2026 - 02:22 NVD
MEDIUM LOW
CVSS changed
Sep 13, 2026 - 02:22 NVD
5.3 (MEDIUM) 2.1 (LOW)
Analysis Generated
Sep 13, 2026 - 01:43 vuln.today
CVE Published
Sep 13, 2026 - 01:00 cve.org
MEDIUM 5.3

DescriptionCVE.org

A weakness has been identified in sanjevirau gsubs up to 1.0.3. Impacted is the function showQuerySuccessPage of the file renderer/index.js of the component Electron. Executing a manipulation of the argument filename can lead to code injection. The attack may be performed from remote. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

AnalysisAI

Code injection in sanjevirau gsubs (Electron application) up to version 1.0.3 allows remote attackers to execute arbitrary code by manipulating the filename argument passed to the showQuerySuccessPage function in renderer/index.js. The vulnerability exists in the Electron renderer process and requires passive user interaction to trigger. …

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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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Impact
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Vulnerability AssessmentAI

Exploitation Exploitation requires the target user to passively interact with content that triggers the showQuerySuccessPage function with an attacker-controlled filename argument - the CVSS UI:P metric confirms this passive user interaction requirement. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 4.0 score of 5.3 (Medium) with AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L reflects a moderate severity assessment: network-reachable, no authentication required, but user interaction needed (UI:P) and impact limited to the vulnerable system at low levels (C/I/A all L). … 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 identified at time of analysis - the vendor was contacted but did not respond. … Detailed patch versions, workarounds, and compensating controls in full report.

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EUVD-2026-76933 vulnerability details – vuln.today

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