4MOSAn developed by 4MOSAn Security Technology Co., Ltd. has an Arbitrary File Read vulnerability. Unauthenticated remote attackers can exploit a Relative Path Traversal flaw to download arbitrary system files.
CVE-2026-78212
Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2026-08-24. a secondary CVSS source baseline 7.5; sources differ by 0.0.
- High severity, but no confirmed exploitation yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 7.5
- EG Score
- 7.5(high)
- EG Risk
- 49(Track)EG Risk 49/100SSVC: 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 computedSeverity75% × 45%Exploitation1% × 40%Automatability100% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 1%
- EPSS %ILE
- 41%
- KEV
- Not listed
Published
August 24, 2026
Last Modified
August 26, 2026
Advisory Details (2)
Auto-updated Aug 24, 20264MOSAn Security Technology|4MOSAn Management Center - Arbitrary File Read-TWCERT/CC Taiwan Computer Emergency Response Team/Coordination Center
https://www.twcert.org.tw/en/cp-139-11123-79a92-2.html美麗島安全科技|4MOSAn 管理中心 - Arbitrary File Read-TWCERT/CC台灣電腦網路危機處理暨協調中心|企業資安通報協處|資安情資分享|漏洞通報|資安聯盟|資安電子報
https://www.twcert.org.tw/tw/cp-132-11119-25dfc-1.htmlVendor Advisories for CVE-2026-78212(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.
- 2026-08-27 14:25 UTCEPSS rescore
- 2026-08-27 06:41 UTCGHSA enrichment
- 2026-08-26 17:00 UTCEG score recompute
- 2026-08-26 17:00 UTCGHSA enrichment
- 2026-08-26 14:47 UTCEPSS rescore
- 2026-08-26 08:56 UTCGHSA enrichment
- 2026-08-25 19:44 UTCEG score recompute
- 2026-08-25 19:44 UTCGHSA enrichment
- 2026-08-25 13:49 UTCEPSS rescore
- 2026-08-25 06:32 UTCGHSA enrichment
- 2026-08-24 17:19 UTCEG score recompute
- 2026-08-24 17:19 UTCGHSA enrichment
- 2026-08-24 16:52 UTCEG score recompute
- 2026-08-24 16:52 UTCGHSA enrichment
- 2026-08-24 14:18 UTCEPSS rescore
- 2026-08-24 04:23 UTCEG score recompute
- 2026-08-24 03:51 UTCEG score recompute
- 2026-08-24 03:50 UTCMITRE cvelistV5first tracked
Frequently asked(5)
What is CVE-2026-78212?
When was CVE-2026-78212 disclosed?
Is CVE-2026-78212 actively exploited?
What is the CVSS score of CVE-2026-78212?
How do I remediate CVE-2026-78212?
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2026-78212
Is Your Infrastructure Affected by CVE-2026-78212?
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