---
id: CVE-2026-81190
title: >-
  KurrentDB: Privileged access to read $all enables arbitrary file read and
  GET-only SSRF
summary: >-
  KurrentDB is a database engineered for modern software applications and
  event-driven architectures. In version 26.1.0, a user authorized to read the
  $all stream can use Secondary Indexing query capabilities to read arbitrary
  files access…
severity: medium
cvss: 6.9
cvssVector: 'CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N'
cvssSource: cna
cwe:
  - CWE-73
  - CWE-918
vendor: kurrent-io
product: KurrentDB
affected:
  - KurrentDB = 26.1.0
published: '2026-11-05'
updated: '2026-11-05'
sourceUpdated: '2026-11-05T20:52:19.064Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-81190'
references:
  - url: >-
      https://github.com/kurrent-io/KurrentDB/security/advisories/GHSA-r8vq-5875-cq97
    label: >-
      https://github.com/kurrent-io/KurrentDB/security/advisories/GHSA-r8vq-5875-cq97
  - url: 'https://github.com/kurrent-io/KurrentDB/pull/5674'
    label: 'https://github.com/kurrent-io/KurrentDB/pull/5674'
  - url: >-
      https://github.com/kurrent-io/KurrentDB/commit/18706d0d5fcec5e2fbb0d20f76638d113b5842c8
    label: >-
      https://github.com/kurrent-io/KurrentDB/commit/18706d0d5fcec5e2fbb0d20f76638d113b5842c8
  - url: 'https://github.com/kurrent-io/KurrentDB/releases/tag/v26.1.1'
    label: 'https://github.com/kurrent-io/KurrentDB/releases/tag/v26.1.1'
  - url: 'https://kurrentdb.kurrent.io/releases/kurrentdb-26-1-1-security-release'
    label: 'https://kurrentdb.kurrent.io/releases/kurrentdb-26-1-1-security-release'
tags:
  - cve.org
ingestedAt: '2026-11-05T22:38:31.928Z'
epss: 0.00272
epssPercentile: 0.19694
---

## Overview

KurrentDB is a database engineered for modern software applications and event-driven architectures. In version 26.1.0, a user authorized to read the $all stream can use Secondary Indexing query capabilities to read arbitrary files accessible to the database process, enumerate directories, and issue HTTP GET requests from that process. The default configuration limits this privilege to administrators. The flaw does not permit file writes and does not expose environment variables. This issue is fixed in version 26.1.1.

## Affected

- `KurrentDB = 26.1.0`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.