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Threatist priority CRITICAL 0 HIGH 1 MEDIUM 1 LOW 0

Signals Exploited in the wild (KEV) 0 Patch available 0 No fix listed 2 Has CVE 2

Fix status Fixed 0 Partial 0 Will not fix 0 Deferred 0 No fix listed 2

Impact type Code execution 0 Privilege escalation 0 Security bypass 2 Information disclosure 0 Tampering 0 Denial of service 0 Spoofing 0 Cross-site scripting 0 SQL injection 0

Attack vector Network 2 Adjacent network 0 Local 0 Physical 0

Requirements No authentication 0 No user interaction 2

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Weakness (CWE) CWE-639 Authorization Bypass Through User-Controlled Key 2

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Vendor: QuivrHQ × Clear all filters

TI-2026-56749 CVE-2026-82284 · GHSA-3j2c-qqcf-39m8

Quivr Chat Endpoints Missing Ownership Validation

Priority HIGH 72

Quivr versions through 0.0.322 fail to validate chat ownership in the GET /chat/{chat_id}/history, DELETE /chat/{chat_id}, and POST /chat/{chat_id}/question/answer endpoints.

CVSS 4.0HIGH 8.6· Network · Low privileges · No interaction · EPSS 0.00426 · Published 2026-08-28 · No fix listed CWE-639

TI-2026-56745 CVE-2026-82280 · GHSA-2mxf-m4gh-hj3g

Quivr Prompt Endpoints Missing Ownership Validation

Priority MEDIUM 64

Quivr through 0.0.322 fails to validate ownership in prompt endpoints, allowing authenticated users to modify any prompt by identifier.

CVSS 4.0HIGH 7.1· Network · Low privileges · No interaction · EPSS 0.00351 · Published 2026-08-28 · No fix listed CWE-639

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