CVE-2026-42162

CRITICALPre-NVD 9.19.1—
EchelonGraph scoreHIGH confidence

Score 9.1 from GitHub Security Advisory (severity: CRITICAL) published 2026-08-18. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 9.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 5 sources updated this week
9.1EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 9.1Exploit: None knownExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

Mahara before 25.04.5 and 26.04.0 is vulnerable to artefacts being accessible to others under certain circumstances when the file path to an artefact in a page is manipulated.

CVSS v3
9.1
EG Score
9.1(high)
EG Risk
56(Track)
EG Risk 56/100SSVC: Track

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
Severity91% × 45%
Exploitation0% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
28%
KEV
Not listed

Published

August 17, 2026

Last Modified

August 18, 2026

Advisory Details (2)

Auto-updated Aug 18, 2026
No patch confirmed yet.
generic

Security announcements - Incorrect access control and improper validation of integrity in Mahara before 25.04.5 - Mahara ePortfolio System

https://mahara.org/interaction/forum/topic.php?id=10057
generic

Home - Mahara ePortfolio System

https://mahara.org

Vendor Advisories for CVE-2026-42162(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 30× in last 7d / 30× 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. 2026-08-21 04:49 UTCGHSA enrichment
  2. 2026-08-21 01:07 UTCEG score recompute
  3. 2026-08-21 01:07 UTCGHSA enrichment
  4. 2026-08-20 22:55 UTCEPSS rescore
  5. 2026-08-20 21:25 UTCGHSA enrichment
  6. 2026-08-20 17:44 UTCGHSA enrichment
  7. 2026-08-20 14:02 UTCGHSA enrichment
  8. 2026-08-20 10:05 UTCGHSA enrichment
  9. 2026-08-20 06:24 UTCGHSA enrichment
  10. 2026-08-20 02:42 UTCGHSA enrichment
  11. 2026-08-19 22:58 UTCGHSA enrichment
  12. 2026-08-19 19:16 UTCEG score recompute
  13. 2026-08-19 19:16 UTCGHSA enrichment
  14. 2026-08-19 17:03 UTCEPSS rescore
  15. 2026-08-19 15:33 UTCGHSA enrichment
  16. 2026-08-19 11:46 UTCGHSA enrichment
  17. 2026-08-19 08:04 UTCGHSA enrichment
  18. 2026-08-19 04:22 UTCGHSA enrichment
  19. 2026-08-19 00:37 UTCGHSA enrichment
  20. 2026-08-18 20:51 UTCGHSA enrichment
  21. 2026-08-18 17:10 UTCEG score recompute
  22. 2026-08-18 17:09 UTCGHSA enrichment
  23. 2026-08-18 13:48 UTCEPSS rescore
  24. 2026-08-18 13:23 UTCGHSA enrichment
  25. 2026-08-18 12:27 UTCEG score recompute▲ 9.10
Show 5 more
  1. 2026-08-18 12:26 UTCGHSA enrichment
  2. 2026-08-18 12:24 UTCMITRE cvelistV5CVSS v3 → 9.1 · severity → CRITICAL
  3. 2026-08-17 23:21 UTCNVD update
  4. 2026-08-17 22:34 UTCEG score recompute
  5. 2026-08-17 22:33 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-42162?
CVE-2026-42162 is a critical vulnerability published on August 17, 2026. Mahara before 25.04.5 and 26.04.0 is vulnerable to artefacts being accessible to others under certain circumstances when the file path to an artefact in a page is manipulated.
When was CVE-2026-42162 disclosed?
CVE-2026-42162 was first published in the National Vulnerability Database on August 17, 2026, with the most recent update on August 18, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-42162 actively exploited?
CVE-2026-42162 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 71.9% of all scored CVEs.
What is the CVSS score of CVE-2026-42162?
CVE-2026-42162 has a CVSS v3.1 base score of 9.1 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-42162?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-42162, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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