VDB-345817 · CVE-2026-25767 · GHSA-wh37-6vrr-r9wg

cloudamqp lavinmq up to 2.6.7 Policymaker Tag authorization

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.0	$0-$5k	0.00

Summaryinfo

A vulnerability has been found in cloudamqp lavinmq up to 2.6.7 and classified as critical. Affected is an unknown function of the component Policymaker Tag Handler. This manipulation causes authorization. This vulnerability is tracked as CVE-2026-25767. The attack is possible to be carried out remotely. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as critical was found in cloudamqp lavinmq up to 2.6.7. Affected by this vulnerability is an unknown part of the component Policymaker Tag Handler. The manipulation with an unknown input leads to a authorization vulnerability. The CWE definition for the vulnerability is CWE-863. The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check. This allows attackers to bypass intended access restrictions. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

LavinMQ is a high-performance message queue & streaming server. Before 2.6.8, an authenticated user, with the “Policymaker” tag, could create shovels bypassing access controls. an authenticated user with the "Policymaker" management tag could exploit it to read messages from vhosts they are not authorized to access or publish messages to vhosts they are not authorized to access. This vulnerability is fixed in 2.6.8.

The advisory is shared at github.com. This vulnerability is known as CVE-2026-25767 since 02/05/2026. The exploitation appears to be easy. The attack can be launched remotely. Neither technical details nor an exploit are publicly available.

Upgrading to version 2.6.8 eliminates this vulnerability. Applying the patch 3a83e5894495b60c7c32a79c3dbc9bd9fa237d9a is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Cloud Software

Vendor

cloudamqp

Name

lavinmq

Version

License

open-source

Website

Product: https://github.com/cloudamqp/lavinmq/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 7.2
VulDB Meta Temp Score: 7.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 8.1
NVD Vector: 🔒

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Authorization
CWE: CWE-863 / CWE-285 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: lavinmq 2.6.8
Patch: 3a83e5894495b60c7c32a79c3dbc9bd9fa237d9a

Timelineinfo

02/05/2026 CVE reserved
02/12/2026 +7 days Advisory disclosed
02/12/2026 +0 days VulDB entry created
02/21/2026 +9 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: GHSA-wh37-6vrr-r9wg
Status: Confirmed

CVE: CVE-2026-25767 (🔒)
GCVE (CVE): GCVE-0-2026-25767
GCVE (VulDB): GCVE-100-345817

Entryinfo

Created: 02/12/2026 23:52
Updated: 02/21/2026 10:52
Changes: 02/12/2026 23:52 (70), 02/21/2026 10:52 (12)
Complete: 🔍
Cache ID: 216::103