CVE-2026-81190

KurrentDB: Privileged access to read $all enables arbitrary file read and GET-only SSRF

CVSS score

6.9

EPSS probability

—

Risk score

0.7

Published

2 h ago

Overview Public Exploits (0)Newsroom Vulnerability Timeline

Patch status has not yet been verified

Resmî kaynaklarda yeterli kanıt bulunamadı. Bu sonuç “yama yok” anlamına gelmez.

Impact on My Inventory

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Vulnerability description

DayBreach AI Explanation

Verified against sources

KurrentDB 26.1.0 $all read privilege enables arbitrary file read and GET‑only SSRF

Sources read

Source agreement

Tam uyum

Evidence confidence

%61

Short explanation

In KurrentDB version 26.1.0, a user authorized to read the $all stream can use secondary indexing queries 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 issue is fixed in version 26.1.1.

Why does it matter?

An attacker could gain visibility into the host file system and internal services.

What should be done?

Upgrade KurrentDB to version 26.1.1
Restrict $all read permission to trusted accounts
Review and harden database process file system permissions
Monitor for unexpected file reads or outbound HTTP activity

Note on uncertainty

The sources give limited detail on some technical conditions. Review the chain of evidence below before deciding how to act.

Chain of evidence and sources3 verified claims

Bu zafiyet, $all okuma iznine sahip bir saldırganın rastgele dosya okuması, dizin listelemesi ve GET‑only SSRF gerçekleştirmesine olanak tanır.

S0 · daybreach-canonical

CISA KEV listesinde bu CVE aktif istismar olarak yer almamaktadır; aktif bir istismar rapor edilmemiştir.

S0 · daybreach-canonical

KurrentDB 26.1.1 sürümünde sorun düzeltilmiştir, ancak resmi kaynaklarda yama durumu “UNKNOWN” olarak belirtilmiştir.

S0 · daybreach-canonical S1 · cvelist

Show the technical text from the sources

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.

CVSS vector: 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

CWE: CWE-73, CWE-918

This explanation was compiled automatically from the source records. Scores, active exploitation, patch and exploit status come straight from the sources.

IMPACT: Affected Products and Software

Affected Products

The following products are affected by CVE-2026-81190 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.

ID	VENDOR	PRODUCT	ACTION
1	kurrent-io	KurrentDB	View

Total affected vendors: 1|Products: 1

RED HAT CSAF/VEX: Product Impact Check

Red Hat has not yet published a CSAF/VEX impact record for this CVE. This does not mean “not affected”.

SCORING: CVSS from Multiple Sources

CVSS Scores

The Common Vulnerability Scoring System is a standardised framework for assessing the severity of vulnerabilities in software and systems. We collect and display CVSS scores from several sources for each CVE.

SCORE	VERSION	SEVERITY	VECTOR	SOURCE
6.9	CVSS V40	MEDIUM	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/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	NVD
6.9	CVSS V4_0	MEDIUM	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	CVE CNA

Patch and Remediation Guide

Solution & Remediation Advisory

Patch status unknown

İncelenen resmî kaynaklarda yama durumu doğrulanamadı. Bu sonuç “yama yok” anlamına gelmez.

Confirm the affected product and version against the source evidence above.

Restrict access to internet-facing services and apply network segmentation.

Until a patch is confirmed, follow the vendor advisory; do not read an unknown status as “no patch”.

Monitor server logs and network endpoints for signs of anomalous execution.

Public exploit and active exploitation status

Verified exploit intelligence

No verified public PoC, exploit repository or Metasploit module has been found for this CVE yet.

Weakness Classification and Attack Patterns (CWE & CAPEC)

CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorises the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-81190 is associated with the following CWEs:

CWE-73: Common Weakness Enumeration Entry CWE-73 CWE-918: Server-Side Request Forgery (SSRF)

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-81190 weaknesses.

CAPEC-66: SQL Injection CAPEC-126: Path Traversal CAPEC-28: OS Command Injection

Attack Vector and Accessibility

ExposureAğ üzerinden

PermissionsHigh

UserGerekmiyor

Official Sources and Advisories

https://github.com/kurrent-io/KurrentDB/security/advisories/GHSA-r8vq-5875-cq97vendor-advisory https://github.com/kurrent-io/KurrentDB/pull/5674vendor-advisory https://github.com/kurrent-io/KurrentDB/commit/18706d0d5fcec5e2fbb0d20f76638d113b5842c8vendor-advisory https://github.com/kurrent-io/KurrentDB/releases/tag/v26.1.1vendor-advisory https://kurrentdb.kurrent.io/releases/kurrentdb-26-1-1-security-releasevendor-advisory

CVSS Vector Radar Chart

6.9 / 10

Vulnerability Scoring Details

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

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredHigh privileges

User InteractionNone required

Confidentiality (Gizlilik)Low

Integrity (Bütünlük)None

Availability (Erişilebilirlik)None

Yama durumu bilinmiyor

İncelenen resmî kaynaklarda yama durumu doğrulanamadı. Bu sonuç “yama yok” anlamına gelmez.

Follow the vendor

kurrent-io

Weakness Type (CWE & CAPEC)

CWE-73 CWE-918

Get this vulnerability through the API

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