pgEdge RAG Server unbounded corpus read allows resource exhaustion from unauthenticated requests

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-125327
StatePUBLISHED
AssignerGitHub_M
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-11-10 19:21:09 UTC
Updated2026-11-10 19:21:09 UTC
DescriptionpgEdge RAG Server is an API server for retrieval-augmented generation over PostgreSQL content using pgvector. Prior to 2.0.0, the unauthenticated query endpoint uses FetchDocuments in internal/database/search.go to read the entire filtered corpus without a LIMIT and rebuild an in-memory BM25 index on every request. Because HybridEnabled is set by default in internal/config/loader.go and the endpoint has no rate limit, inexpensive remote queries can impose database and CPU work proportional to corpus size and exhaust service resources. This issue is fixed in version 2.0.0.

Risk And Classification

Primary CVSS: v3.1 7.5 HIGH from [email protected]

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Problem Types: CWE-405 | CWE-770 | CWE-405 CWE-405: Asymmetric Resource Consumption (Amplification) | CWE-770 CWE-770: Allocation of Resources Without Limits or Throttling

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
3.1CNADECLARED7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA PgEdge Pgedge-rag-server affected < 2.0.0 Not specified

References

ReferenceSourceLinkTags
github.com/pgEdge/pgedge-rag-server/security/advisories/GHSA-5qg5-rgp6-j5m5 [email protected] github.com
github.com/pgEdge/pgedge-rag-server/commit/a09d4872356b510c81f1159184544... [email protected] github.com
github.com/pgEdge/pgedge-rag-server/pull/44 [email protected] github.com
github.com/pgEdge/pgedge-rag-server/releases/tag/v2.0.0 [email protected] github.com
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