EUVD-2026-76740
GHSA-q82q-369g-qpv8
Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/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
Network-accessible, low complexity, requires authentication (PR:L) and victim interaction (UI:R); scope changes to attacker's external site (S:C); integrity-only impact via redirect, no confidentiality or availability impact.
Primary rating from Vendor (hq).
CVSS VectorVendor: hq
Lifecycle Timeline
1DescriptionCVE.org
A file-upload handler redirects the authenticated client's browser to a URL taken directly from that same request's Referer header, without validating it against the application's own origin. This allows an authenticated attacker to craft a request that causes another user's browser to be redirected to an arbitrary external destination after completing an upload.
AnalysisAI
Open redirect in the file-upload handler of an ICS inventory management product (covered by ICS-CERT advisory ICSA-26-254-01) allows an authenticated attacker to redirect other authenticated users' browsers to arbitrary external destinations. The handler reflects the Referer header directly into a post-upload Location response without validating it against the application's own origin, enabling phishing and credential-harvesting chains. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires the attacker to hold a valid authenticated session in the application (PR:L - unauthenticated exploitation is not possible). … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 4.0 base score of 5.1 (Medium) is well-calibrated for this vulnerability class. … 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 | Consult the vendor patch details in the CSAF advisory at https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2026/icsa-26-254-01.json and apply the vendor-released fix. … Detailed patch versions, workarounds, and compensating controls in full report. |
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