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4 vulnerabilities found for quivr by QuivrHQ
CVE-2026-82284 (GCVE-0-2026-82284)
Vulnerability from nvd – Published: 2026-08-28 16:19 – Updated: 2026-08-28 20:23
VLAI
EPSS
VEX
Title
Quivr Chat Endpoints Missing Ownership Validation
Summary
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. Authenticated attackers can read other users' conversation histories including private knowledge base content, delete arbitrary chats, and inject fabricated messages into other users' conversations.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-28 20:23 UTC
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/QuivrHQ/quivr/issues/3697 | issue-tracking |
| https://github.com/QuivrHQ/quivr | product |
| https://github.com/QuivrHQ/quivr/blob/v0.0.322/ba… | technical-description |
| https://www.vulncheck.com/advisories/quivr-chat-e… | third-party-advisory |
Impacted products
Date Public
2026-07-03 00:00
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CVE-2026-82280 (GCVE-0-2026-82280)
Vulnerability from nvd – Published: 2026-08-28 16:19 – Updated: 2026-08-31 18:47
VLAI
EPSS
VEX
Title
Quivr Prompt Endpoints Missing Ownership Validation
Summary
Quivr through 0.0.322 fails to validate ownership in prompt endpoints, allowing authenticated users to modify any prompt by identifier. Attackers with read-only access to shared brains can read exposed prompt identifiers and overwrite system prompts affecting all brain users.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-31 18:46 UTC
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://github.com/QuivrHQ/quivr/issues/3698 | issue-tracking |
| https://github.com/QuivrHQ/quivr | product |
| https://github.com/QuivrHQ/quivr/blob/v0.0.322/ba… | technical-description |
| https://www.vulncheck.com/advisories/quivr-prompt… | third-party-advisory |
| https://github.com/The-Vibe-Company/Quivr/issues/3698 | exploit |
Impacted products
Date Public
2026-07-03 00:00
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CVE-2026-82284 (GCVE-0-2026-82284)
Vulnerability from cvelistv5 – Published: 2026-08-28 16:19 – Updated: 2026-08-28 20:23
VLAI
EPSS
VEX
Title
Quivr Chat Endpoints Missing Ownership Validation
Summary
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. Authenticated attackers can read other users' conversation histories including private knowledge base content, delete arbitrary chats, and inject fabricated messages into other users' conversations.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-28 20:23 UTC
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/QuivrHQ/quivr/issues/3697 | issue-tracking |
| https://github.com/QuivrHQ/quivr | product |
| https://github.com/QuivrHQ/quivr/blob/v0.0.322/ba… | technical-description |
| https://www.vulncheck.com/advisories/quivr-chat-e… | third-party-advisory |
Impacted products
Date Public
2026-07-03 00:00
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CVE-2026-82280 (GCVE-0-2026-82280)
Vulnerability from cvelistv5 – Published: 2026-08-28 16:19 – Updated: 2026-08-31 18:47
VLAI
EPSS
VEX
Title
Quivr Prompt Endpoints Missing Ownership Validation
Summary
Quivr through 0.0.322 fails to validate ownership in prompt endpoints, allowing authenticated users to modify any prompt by identifier. Attackers with read-only access to shared brains can read exposed prompt identifiers and overwrite system prompts affecting all brain users.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-31 18:46 UTC
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://github.com/QuivrHQ/quivr/issues/3698 | issue-tracking |
| https://github.com/QuivrHQ/quivr | product |
| https://github.com/QuivrHQ/quivr/blob/v0.0.322/ba… | technical-description |
| https://www.vulncheck.com/advisories/quivr-prompt… | third-party-advisory |
| https://github.com/The-Vibe-Company/Quivr/issues/3698 | exploit |
Impacted products
Date Public
2026-07-03 00:00
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"url": "https://github.com/QuivrHQ/quivr/issues/3698"
},
{
"tags": [
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{
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{
"name": "VulnCheck Advisory: Quivr Prompt Endpoints Missing Ownership Validation",
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"dateReserved": "2026-08-28T11:12:50.590Z",
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