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Improper Authorization vulnerability in Apache SkyWalking BanyanDB. (CVE-2026-85499)

0
Critical
VulnerabilityCVE-2026-85499gcveosvghsa-wf9f-wwf6-2jgpcve-2026-85499ghsa
Published: 10/12/2026 (10/12/2026, 12:30:28 UTC)
Source: GCVE Database

Description

An improper authorization vulnerability exists in Apache SkyWalking BanyanDB versions from 0.11.0 before 0.11.1. Under a non-default configuration involving a readonly Canopy user and a reachable monitoring target, the readonly user can send non-read requests through the monitoring proxy, bypassing intended access controls. This vulnerability is fixed in version 0.11.1.

CVSS v3.1

Score 9.1critical

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
None
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Affected software

Mavenmore threats →ai
org.apache.skywalking/banyandb
pkg:maven/org.apache.skywalking/banyandb
Affected versions
>=0.11.0 <0.11.1

Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 10/16/2026, 23:20:43 UTC

Technical Analysis

CVE-2026-85499 describes an improper authorization vulnerability in Apache SkyWalking BanyanDB. Specifically, when configured with a readonly Canopy user and a reachable monitoring target, the user can bypass intended restrictions and send non-read requests through the monitoring proxy. This vulnerability affects versions from 0.11.0 up to but not including 0.11.1. The issue is resolved by upgrading to version 0.11.1.

Potential Impact

The vulnerability allows an unauthorized user with readonly Canopy user privileges to perform non-read operations via the monitoring proxy, potentially leading to unauthorized modification or control actions. The CVSS score of 9.1 indicates a critical severity with high impact on confidentiality and integrity but no impact on availability.

Mitigation Recommendations

Users should upgrade Apache SkyWalking BanyanDB to version 0.11.1 or later, which contains the official fix for this improper authorization vulnerability.

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Technical Details

Gcve Source
db.gcve.eu
Osv Id
GHSA-wf9f-wwf6-2jgp
Osv Schema Version
1.4.0
Aliases
["CVE-2026-85499"]
Database Specific Severity
CRITICAL
Cvss Version
3.1
State
PUBLISHED

Threat ID: 6ad2af0e2cdf04f656455d0a

Added to database: 10/16/2026, 23:11:10 UTC

Last enriched: 10/16/2026, 23:20:43 UTC

Last updated: 10/17/2026, 01:48:08 UTC

Views: 6

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