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MariaDB CVE-2026-44173

| EUVDEUVD-2026-36518 MEDIUM
Incorrect Authorization (CWE-863)
N/A vendor:alpine
5.3
CVSS 3.1 · NVD
View

Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain

  1. Access
    Unknown access vector
  2. Exploit
    Unknown vulnerable MariaDB component
  3. Impact
    Unknown impact

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V8 - Authorization Authorization logic validation
MITRE ATT&CK

1 technique across 1 tactic: Privilege Escalation

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Exploitation Conditions

Exploitation conditions cannot be determined - no CVSS vector, CWE, or vulnerability description is available to identify required access level, configuration state, or triggering conditions. Authentication requirements, network accessibility, and whether specific MariaDB features must be enabled are all unknown. Defenders should not assume either a benign or severe exploitation profile until Alpine Linux or the MariaDB project publishes further details.

Impact

Risk cannot be meaningfully assessed from available data. No CVSS vector is present, making it impossible to determine attack vector (network vs. local), complexity, privilege requirements, or scope. EPSS probability is unavailable. The vulnerability is not listed in CISA KEV, and no public exploit code has been identified. The sole signal is an Alpine Linux vendor patch, which confirms a security-relevant fix exists but provides no severity context. Prioritization should be driven by the exposure of MariaDB instances in the environment and the criticality of the data they hold, pending further vendor disclosure.

Exploit ScenarioDerived

An attack scenario cannot be constructed from available data - the affected MariaDB component, required access level, and exploitation mechanism are all unknown. No proof-of-concept code has been identified. Until the vendor publishes full vulnerability details, defenders should treat this as an uncharacterized risk requiring patch application rather than targeted mitigation.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
Patch available 0.0% exploitation probability (EPSS)

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AnalysisAIv1 – May 27, 2026

MariaDB on Alpine Linux received a security fix in package version 11.8.7-r0, addressing an unspecified vulnerability tracked as CVE-2026-44173. The nature of the underlying flaw, affected component, and attacker capability are not described in available intelligence - only the Alpine Linux vendor advisory confirms the patch. No CVSS score, CWE classification, KEV listing, or exploit code has been identified at time of analysis.

RemediationAI

Upgrade the Alpine Linux MariaDB package to version 11.8.7-r0 or later using 'apk upgrade mariadb'. This is the only confirmed remediation available. Because the vulnerability details are undisclosed, specific compensating controls cannot be responsibly recommended without risking under- or over-mitigation. Organizations unable to patch immediately should apply general hardening: restrict MariaDB network exposure to trusted clients only, enforce least-privilege database user accounts, and monitor for anomalous query patterns or authentication failures until the full advisory is published.

Affected VersionsENISA

Server 12.3.1, < 12.3.2
Server 11.4.1, < 11.4.11
Server 10.6.1, < 10.6.26
Server 10.11.1, < 10.11.17
Server 11.8.1, < 11.8.7

Affected Packages

euvd server_10_11_1 fix: 10.11.17
euvd server_10_6_1 fix: 10.6.26
euvd server_11_4_1 fix: 11.4.11
euvd server_11_8_1 fix: 11.8.7
euvd server_12_3_1 fix: 12.3.2

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 5 packages in euvd

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

MariaDB is an open-source relational database management system. The affected deployment context is Alpine Linux, where MariaDB is distributed as a packaged binary. The Alpine package versioning convention '11.8.7-r0' indicates this is the first Alpine package revision of upstream MariaDB 11.8.7. The specific vulnerable component, protocol, or code path within MariaDB is unknown - no CWE classification or technical description has been provided. MariaDB 11.8.x is part of the MariaDB Long Term Support release line and is widely deployed in containerized environments, where Alpine Linux is a common base image.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 5.3 MEDIUM
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Lifecycle Timeline

3
CVSS changed
Jun 16, 2026 - 19:07 NVD
5.0 (MEDIUM) 5.3 (MEDIUM)
Patch available
Jun 12, 2026 - 19:01 EUVD
CVSS changed
Jun 12, 2026 - 18:22 NVD
5.0 (MEDIUM)

DescriptionNVD

Alpine Linux: mariadb fixed in 11.8.7-r0

Threat Intelligence Overview

EPSS Score
0.0%
Top 88% exploitable
Data Quality
6 sources
Confidence: High

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity MEDIUM
CISA KEV No
Public POC No
EPSS 0.0%
Patch available Yes
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
Yes
Human Impact· derived
Medium

Priority Score

26
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +26
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.

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