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CVE-2026-86047

MariaDB: Insufficient quoting in mariadb-dump and SHOW commands

CVSS score

7.7

EPSS probability

%0.3

Risk score

0.0

Published

1 d ago

OverviewPublic Exploits (0)NewsroomVulnerability Timeline
A patch is available only for some products or versions

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Vulnerability description

CVE AI research

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DayBreach AI Explanation

Verified against sources

MariaDB SQL Injection Vulnerability (CVE-2026-86047)

Sources read

1

Source agreement

Tam uyum

Evidence confidence

%55

Short explanation

The vulnerability CVE-2026-86047 in MariaDB server is an SQL injection issue caused by inconsistent quoting of identifiers and values during SQL serialization. A low-privileged attacker can trigger this flaw using specially crafted objects.

Why does it matter?

This vulnerability allows attackers to execute injected SQL statements when poisoned outputs or dumps are applied, posing a high risk to data integrity and availability.

What should be done?

  • Follow the vendor advisory
  • Apply updates where available
Chain of evidence and sources2 verified claims

MariaDB sunucusunda SHOW CREATE SERVER, SHOW CREATE USER ve mariadb-dump bileşenleri SQL serileştirmede tanımlayıcıları tutarsız şekilde tırnak içine alır.

S0 · daybreach-canonicalS1 · nvd

Düşük ayrıcalıklı bir saldırgan, özel oluşturulmuş nesneler aracılığıyla SQL enjeksiyonunu tetikleyebilir.

S0 · daybreach-canonicalS1 · nvd
Show the technical text from the sources

MariaDB server is a community developed fork of MySQL server. From 10.6.1 until 10.6.28, 10.11.19, 11.4.13, 11.8.9, 12.3.3, and 13.0.2, SHOW CREATE SERVER, SHOW CREATE USER, and mariadb-dump are affected because each does not consistently quote identifiers and values when serializing SQL. A low-privileged attacker can trigger the issue when an attacker-created object with crafted identifiers or values is included in SHOW output or a dump, then create an object with crafted identifiers or values so generated SQL contains injected statements and execute attacker-injected SQL when the poisoned output is applied. This issue is fixed in versions 10.6.28, 10.11.19, 11.4.13, 11.8.9, 12.3.3, and 13.0.2.

CVSS vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:N/I:H/A:H

CWE: CWE-89

Explanation produced with the local gemini-flash-lite-latest model. Numerical metrics and the KEV, patch and exploit statuses are not determined by AI.

IMPACT: Affected Products and Software

Affected Products

The following products are affected by CVE-2026-86047 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.

IDVENDORPRODUCTACTION
1mariadbserver View
2debianmariadb (sid) View
3debianmariadb (forky) View
4debianmariadb (trixie) View
5debianmariadb (bookworm) View
Total affected vendors: 2|Products: 5

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.

SCOREVERSIONSEVERITYVECTORSOURCE
7.7CVSS V3_1HIGHCVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:N/I:H/A:HCVE CNA
7.7CVSS V31HIGHCVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:N/I:H/A:HNVD

Patch and Remediation Guide

Solution & Remediation Advisory

Partial patch

2 düzeltme kanıtı bulundu; en az 2 ürün veya sürüm hâlâ etkileniyor ya da inceleniyor.

debianmariadb (sid)1:11.8.9+ds-1

Debian sid: 1:11.8.9+ds-1

debianmariadb (forky)1:11.8.9+ds-1

Debian forky: 1:11.8.9+ds-1

Confirm the affected product and version against the source evidence above.
Restrict access to internet-facing services and apply network segmentation.
Apply the official update named in the evidence only to the matching product and version.
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-2026-86047 is associated with the following CWEs:

CWE-89: Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

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-2026-86047 weaknesses.

CAPEC-66: SQL InjectionCAPEC-126: Path TraversalCAPEC-28: OS Command Injection

Attack Vector and Accessibility

ExposureAğ üzerinden
PermissionsLow
UserGerekiyor

Official Sources and Advisories

https://github.com/MariaDB/server/security/advisories/GHSA-wxr3-wm3p-7w6pvendor-advisoryhttps://github.com/MariaDB/server/commit/2b28d1c424104429eeed43115ee6d8a803671d52vendor-advisoryhttps://github.com/MariaDB/server/commit/3646569225758c8225e7342783d775ef7c7570e5vendor-advisoryhttps://github.com/MariaDB/server/commit/5acb43522863c9bd6b91f354104ea247bf513e9avendor-advisoryhttps://github.com/MariaDB/server/commit/9d4ffe23b25808f7858b2dc48106fbd60cf0e513vendor-advisoryhttps://github.com/MariaDB/server/commit/d5d741a3076f911b468518d6b06a917593498c5bvendor-advisoryhttps://github.com/MariaDB/server/releases/tag/mariadb-10.11.19vendor-advisoryhttps://github.com/MariaDB/server/releases/tag/mariadb-10.6.28vendor-advisoryhttps://github.com/MariaDB/server/releases/tag/mariadb-11.4.13vendor-advisoryhttps://github.com/MariaDB/server/releases/tag/mariadb-11.8.9vendor-advisory

CVSS Vector Radar Chart

7.7 / 10
Attack VectorNetworkComplexityHighPrivilegesLowUser Interact.RequiredConfidentialityHighIntegrityHighAvailabilityHigh

Vulnerability Scoring Details

CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:N/I:H/A:H
Attack VectorNetwork
Attack ComplexityHigh
Privileges RequiredLow privileges
User Interaction—
Confidentiality (Gizlilik)High
Integrity (Bütünlük)High
Availability (Erişilebilirlik)High

Kısmi yama

2 düzeltme kanıtı bulundu; en az 2 ürün veya sürüm hâlâ etkileniyor ya da inceleniyor.

Follow the vendor

M
mariadb logo
mariadb
D
debian logo
debian

Weakness Type (CWE & CAPEC)

CWE-89

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