Dell ThinOS 10, versions prior to SecurityAddon_2605.10.2766_T10, contain a Missing Authentication for Critical Function vulnerability. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to Unauthorized access.
CVE-2026-81455
HIGHPre-NVD 8.68.6—Trending — 3 sources updated this week
EchelonGraph scoreHIGH confidence
Score 8.6 from GitHub Security Advisory (severity: HIGH) published 2026-09-24. a secondary CVSS source baseline 8.6; sources differ by 0.0.
Triggered by: GitHub Security Advisory CVSS
Sources: ghsa, secondary
8.6EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
- High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: —CVSS: 8.6Exploit: None knownExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 8.6
- EG Score
- 8.6(high)
- EG Risk
- 54(Track)EG Risk 54/100SSVC: 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 computedSeverity86% × 45%Exploitation0% × 40%Automatability100% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- —
- EPSS %ILE
- —
- KEV
- Not listed
Published
September 24, 2026
Last Modified
September 24, 2026
Advisory Details (1)
Auto-updated Sep 24, 2026No patch confirmed yet.
generic
DSA-2026-404: Security Update for Dell ThinOS 10 for Multiple Vulnerabilities | Dell US
https://www.dell.com/support/kbdoc/en-us/000506503/dsa-2026-404-security-update-for-dell-thinos-10-for-multiple-vulnerabilitiesVendor Advisories for CVE-2026-81455(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 6× in last 7d / 6× 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.
- 2026-09-25 08:31 UTCEG score recompute
- 2026-09-25 08:31 UTCGHSA enrichment
- 2026-09-24 19:35 UTCEG score recompute
- 2026-09-24 18:57 UTCEG score recompute
- 2026-09-24 18:52 UTCEG score recompute
- 2026-09-24 18:51 UTCMITRE cvelistV5first tracked
Related CVEs(same CWE)
Frequently asked(4)
What is CVE-2026-81455?
CVE-2026-81455 is a high vulnerability published on September 24, 2026. Dell ThinOS 10, versions prior to SecurityAddon2605.10.2766T10, contain a Missing Authentication for Critical Function vulnerability. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to Unauthorized access.
When was CVE-2026-81455 disclosed?
CVE-2026-81455 was first published in the National Vulnerability Database on September 24, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
What is the CVSS score of CVE-2026-81455?
CVE-2026-81455 has a CVSS v3 base score of 8.6 (NVD).
How do I remediate CVE-2026-81455?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-81455, 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
Explore the affected products and dependency analysis for CVE-2026-81455
Is Your Infrastructure Affected by CVE-2026-81455?
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.