HIGHCVSS v4 7.1Vulnerability
CVE-2026-66090
In openEQUELLA before 2026.1, the XML parser used for item metadata does not disable external entity resolution. A user permitted to create items (CREATE_ITEM) can submit crafted XML to POST /api/item and cause the server to read arbitrary files accessible to the openEQUELLA service, or make requests to attacker-specified locations (SSRF), including cloud instance metadata services.
Properties
- Severity
- HIGH
- Nvd fetched at
- 2026-10-29T03:46:53.555909+00:00
- Cvss severity
- HIGH
- Cvss score
- 7.1
- Retrieved at
- 2026-10-29T03:47:35+00:00
- Score
- 7.1
- Cvss version
- 4.0
- Last source
- NVD
- Cve id
- CVE-2026-66090
- Cvss vector
- CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:L/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
- First seen by Signal
- 2026-10-29T03:47:35+00:00
- Vector
- CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:L/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
- Published at
- 2026-10-29T02:16:52.803
- Last modified
- 2026-10-29T02:16:52.803
Related Entities (1)
HAS_WEAKNESS (1)
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