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MEDIUM severity

CVE-2026-102578 — moodle

MEDIUM

CVE-2026-102578 is a medium-severity (CVSS 5.5) SQL Injection vulnerability. A fix is available — see the affected versions and patch details below.

Moodle: sql injection in question bank web service

Also known asBIT-moodle-2026-102578
Published
Updated
Affected
1 product
Patched
See advisory
Exploits
None indexed
Exploitation data as of Oct 12, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

Exploitation Status

No confirmed exploitation observed yet

  • CISA’s own triage has not observed active exploitation or public proof-of-concept code for this CVE as of its last assessment.

Exploitation and automatability from CISA’s SSVC triage for CVE-2026-102578.

EPSS Exploitation Probability

via FIRST.org ↗
0.3%probability of exploitation in next 30 days
Lower Risk+0.05%
Lower risk than most CVEs21th percentile — riskier than 21% of all scored CVEsHighest risk
0.00%0.27%0.53%0.80%0.2%0.3%Oct 26Oct 26

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

CVE-2026-102578 by exploitation likelihood (EPSS) against impact (CVSS). Outside the shaded patch-first corner.

Where this sits among everything scored

Of 386,684 CVEs with a current EPSS score, this one falls in the < 10% band (highlighted). Counts from FIRST.org, log-scaled.

Description

A flaw was found in Moodle. An authenticated attacker with access to the question bank web service can submit unsanitized input directly into database queries, resulting in a SQL (Structured Query Language) injection vulnerability. This issue could allow an attacker to view, alter, or delete sensitive data stored in the underlying database.

Affected Products

1 product · 4 configurations
Application
moodlemoodle
≥ 5.2.0 && < 5.2.2
range

Detection & mitigation playbook

Vulnerability

  1. Detect

    Identify every host running the affected component and compare the installed build against the fixed version below — for source-built or distro-packaged software the version string, not a lockfile, is the source of truth (`dpkg -l`, `rpm -q`, or the binary's own `--version`).

  2. Fix

    Upgrade the affected component to the fixed release for CVE-2026-102578, or apply your distribution's backported patch — distro builds are often patched at an older version number, so check your vendor's advisory rather than the upstream version alone.

  3. Workarounds

    Until you can upgrade, make sure every query built from user input uses parameterised statements or a prepared-statement API rather than string concatenation, and reduce the database account's privileges so an injected query cannot read or alter data beyond what the feature needs.

Frequently Asked Questions

A flaw was found in Moodle. An authenticated attacker with access to the question bank web service can submit unsanitized input directly into database queries, resulting in a SQL (Structured Query Language) injection vulnerability. This issue could allow an attacker to view, alter, or delete sensitive data stored in the underlying database.
O3 Security · Impact-Aware SCA

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CVE-2026-102578: moodle (Medium 5.5)