CVE-2026-102584

Q: How do I fix CVE-2026-102584?

Upgrade moodle to 5.2.2 or later.

Q: Is CVE-2026-102584 being actively exploited?

Not that we know of. CVE-2026-102584 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.20% is the estimated probability that it will be exploited in the next 30 days. That is higher than 9% of all scored CVEs.

Q: How severe is CVE-2026-102584?

CVE-2026-102584 has a CVSS v3 base score of 4.3, rated medium. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

Q: What does CVE-2026-102584 affect?

Published advisories record a fix for moodle (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

MEDIUM

4.3

CVSS v3

NVD

Description

A flaw was found in Moodle. Due to a missing capability check, a low-privileged authenticated user can trigger the recalculation of grade penalties without holding the required permissions. This issue allows unauthorized users to modify grade penalty records, potentially altering student assessment scores.

CWE-425

How to fix

Remediation Available

moodleNVD

Affected:>= 5.2.0, < 5.2.2Fixed in:5.2.2CVE-2026-102584derived from NVD

Affected:>= 5.1.0, < 5.1.6Fixed in:5.1.6CVE-2026-102584derived from NVD

Affected:>= 5.0.0, < 5.0.9Fixed in:5.0.9CVE-2026-102584derived from NVD

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityLow

AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Exploit Intelligence

0.20%probability of exploitation in 30 days

9thpercentile

Low risk: more likely to be exploited than 9% of all known CVEs.

References

Patch1

git.moodle.org

Vendor Advisory1

moodle.org

Third-Party Advisory2

Related Vulnerabilities

Other CWE-425 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-45195	High	7.5	100%	KEV	Fix
CVE-2021-26085	Medium	5.3	100%	KEV + Ransom	Fix
CVE-2024-0204	Critical	9.8	95%	-	Fix
CVE-2018-19207	Critical	9.8	88%	-	Fix
CVE-2017-17736	Critical	9.8	68%	-	Fix
CVE-2019-17503	Medium	5.3	48%	-	-

Common questions

How do I fix CVE-2026-102584?

Upgrade moodle to 5.2.2 or later.

Is CVE-2026-102584 being actively exploited?

Not that we know of. CVE-2026-102584 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.20% is the estimated probability that it will be exploited in the next 30 days. That is higher than 9% of all scored CVEs.

How severe is CVE-2026-102584?

CVE-2026-102584 has a CVSS v3 base score of 4.3, rated medium. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2026-102584 affect?

Published advisories record a fix for moodle (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-10-01.