CVE-2026-102580

MEDIUMNVD 4.34.3—
EchelonGraph scoreMEDIUM confidence

This medium-severity CVE scores 4.3 under NVD CVSS v3. EPSS exploit probability: 0.2% (13th percentile of EPSS-scored CVEs). GitHub Security Advisory enrichment pending alignment with NVD CVSS.

Triggered by: NVD CVSS baseline
Sources: epss, ghsa, nvd
Trending — 5 sources updated this week
4.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0.2%CVSS: 4.3Exploit: None knownExposed services: Not assessed

A fix is available — apply it.

A flaw was found in Moodle. An authenticated attacker can supply an improperly validated audience class name to the Report Builder component, allowing arbitrary class instantiation. This vulnerability enables the unauthorized creation of internal program objects, which may result in unexpected application behavior.

CVSS v3
4.3
EG Score
4.3MEDIUMmedium confidence
EG Risk
19
EG Risk 19/100CISA SSVC

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity43% × 45%
Exploitation0% × 40%
Automatability0% × 15%
CISA SSVC: Track at every mission impact level.
Action: A fix is available. Apply it within your standard update timelines.
EPSS PROB
0.2%
EPSS %ILE
13th
KEV
Not listed

CISA SSVCTrack at every mission impact level.

A fix is available. Apply it within your standard update timelines.

Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

September 30, 2026

Last Modified

October 1, 2026

Advisory Details (3)

Auto-updated Oct 1, 2026
Patch available. Sources: redhat.
redhat

2543635 – (CVE-2026-102580) CVE-2026-102580 moodle: Arbitrary class instantiation via report builder audience classname

https://bugzilla.redhat.com/show_bug.cgi?id=2543635
redhat Patch Available

CVE-2026-102580 - Red Hat Customer Portal

Affected: Red Hat Enterprise Linux 8 or OpenShift Container Platform 4, is affected by this vulnerability and a fix may be released to a

https://access.redhat.com/security/cve/CVE-2026-102580
generic

Commit search results · GitHub

http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-89078

Vendor Advisories for CVE-2026-102580(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 18× in last 7d / 18× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-10-03 14:25 UTCEPSS rescore
  2. 2026-10-03 13:59 UTCEG score recompute
  3. 2026-10-03 13:59 UTCGHSA enrichment
  4. 2026-10-02 14:20 UTCEG score recompute
  5. 2026-10-02 14:20 UTCGHSA enrichment
  6. 2026-10-01 19:49 UTCEPSS rescore
  7. 2026-10-01 14:42 UTCEG score recompute▲ 2.10
  8. 2026-10-01 14:42 UTCGHSA enrichment
  9. 2026-10-01 14:41 UTCNVD updateCVSS v3 → 4.3 · severity → MEDIUM
  10. 2026-09-30 16:24 UTCGHSA enrichment
  11. 2026-09-30 15:38 UTCEG score recompute
  12. 2026-09-30 15:38 UTCGHSA enrichment
  13. 2026-09-30 15:02 UTCEPSS rescore
  14. 2026-09-30 14:38 UTCEG score recompute
  15. 2026-09-30 14:38 UTCGHSA enrichment
  16. 2026-09-30 09:25 UTCEG score recompute
  17. 2026-09-30 08:49 UTCEG score recompute
  18. 2026-09-30 08:48 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-102580?
CVE-2026-102580 is a medium vulnerability published on September 30, 2026. A flaw was found in Moodle. An authenticated attacker can supply an improperly validated audience class name to the Report Builder component, allowing arbitrary class instantiation. This vulnerability enables the unauthorized creation of internal program objects, which may result in unexpected…
When was CVE-2026-102580 disclosed?
CVE-2026-102580 was first published on September 30, 2026, with the most recent update on October 1, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-102580 actively exploited?
CVE-2026-102580 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.2% probability of exploitation in the next 30 days (13th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-102580?
CVE-2026-102580 has a CVSS v3 base score of 4.3 (NVD).
How do I remediate CVE-2026-102580?
A fix for CVE-2026-102580 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2026-102580 are linked in the Vendor Advisories panel on this page.

Dependency Blast Radius

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