CVE-2026-70356

CRITICALPre-NVD 9.19.1—
EchelonGraph scoreHIGH confidence

Score 9.1 from GitHub Security Advisory (severity: CRITICAL) published 2026-09-30. A secondary CVSS source baseline 9.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 4 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: 0.4%CVSS: 9.1Exploit: None knownExposed services: Not assessed

A fix is available — apply it.

The TMS file upload endpoint fails to enforce server-side file type restrictions, allowing an attacker to upload and execute arbitrary PHP files on the web server.

CVSS v3
9.1
EG Score
9.1CRITICALhigh confidence
EG Risk
41
EG Risk 41/100CISA 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
Severity91% × 45%
Exploitation0% × 40%
Automatability0% × 15%
CISA SSVC: Track at low or medium mission impact; Track* at high (mission-essential systems).
Action: A fix is available. Apply it within your standard update timelines.
EPSS PROB
0.4%
EPSS %ILE
31st
KEV
Not listed

CISA SSVCTrack at low or medium mission impact; Track* at high (mission-essential systems).

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

Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact total (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 29, 2026

Last Modified

September 30, 2026

Advisory Details (3)

Auto-updated Sep 29, 2026
Patch available. Sources: cisa.
generic

CSAF/csaf_files/OT/white/2026/icsa-26-272-02.json at develop · cisagov/CSAF · GitHub

https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-272-02.json
cisa Patch Available

Toptech TMS7 and TopHAT | CISA

https://www.cisa.gov/news-events/ics-advisories/icsa-26-272-02
generic

TMS7 Ver 7.8 Strengthens Security with Modernized Platform

https://www.toptech.com/blog/tms7-version-7-8-strengthens-security

Vendor Advisories for CVE-2026-70356(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 43× in last 7d / 43× 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. 2026-10-04 11:19 UTCGHSA enrichment
  2. 2026-10-04 07:26 UTCGHSA enrichment
  3. 2026-10-04 03:32 UTCGHSA enrichment
  4. 2026-10-03 23:39 UTCGHSA enrichment
  5. 2026-10-03 19:44 UTCGHSA enrichment
  6. 2026-10-03 15:51 UTCEG score recompute
  7. 2026-10-03 15:51 UTCGHSA enrichment
  8. 2026-10-03 14:26 UTCEPSS rescore
  9. 2026-10-03 11:56 UTCGHSA enrichment
  10. 2026-10-03 08:02 UTCGHSA enrichment
  11. 2026-10-03 04:06 UTCGHSA enrichment
  12. 2026-10-03 00:12 UTCGHSA enrichment
  13. 2026-10-02 20:19 UTCEG score recompute
  14. 2026-10-02 20:19 UTCGHSA enrichment
  15. 2026-10-02 17:56 UTCEPSS rescore
  16. 2026-10-02 16:23 UTCGHSA enrichment
  17. 2026-10-02 12:29 UTCGHSA enrichment
  18. 2026-10-02 08:35 UTCGHSA enrichment
  19. 2026-10-02 04:42 UTCGHSA enrichment
  20. 2026-10-02 00:47 UTCGHSA enrichment
  21. 2026-10-01 20:50 UTCEG score recompute
  22. 2026-10-01 20:50 UTCGHSA enrichment
  23. 2026-10-01 19:50 UTCEPSS rescore
  24. 2026-10-01 16:54 UTCGHSA enrichment
  25. 2026-10-01 12:38 UTCGHSA enrichment
Show 18 more
  1. 2026-10-01 08:44 UTCGHSA enrichment
  2. 2026-10-01 04:51 UTCGHSA enrichment
  3. 2026-10-01 00:55 UTCGHSA enrichment
  4. 2026-09-30 21:01 UTCGHSA enrichment
  5. 2026-09-30 17:08 UTCGHSA enrichment
  6. 2026-09-30 16:25 UTCEG score recompute
  7. 2026-09-30 16:25 UTCGHSA enrichment
  8. 2026-09-30 15:44 UTCEG score recompute
  9. 2026-09-30 15:44 UTCGHSA enrichment
  10. 2026-09-30 15:03 UTCEPSS rescore
  11. 2026-09-30 14:03 UTCGHSA enrichment
  12. 2026-09-30 10:08 UTCGHSA enrichment
  13. 2026-09-30 06:13 UTCGHSA enrichment
  14. 2026-09-30 02:19 UTCEG score recompute
  15. 2026-09-30 02:19 UTCGHSA enrichment
  16. 2026-09-29 22:26 UTCEG score recompute
  17. 2026-09-29 21:37 UTCEG score recompute
  18. 2026-09-29 21:33 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-70356?
CVE-2026-70356 is a critical vulnerability published on September 29, 2026. The TMS file upload endpoint fails to enforce server-side file type restrictions, allowing an attacker to upload and execute arbitrary PHP files on the web server.
When was CVE-2026-70356 disclosed?
CVE-2026-70356 was first published on September 29, 2026, with the most recent update on September 30, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-70356 actively exploited?
CVE-2026-70356 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.4% probability of exploitation in the next 30 days (31st percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-70356?
CVE-2026-70356 has a CVSS base score of 9.1 (a secondary CVSS source that NVD displays; NVD's own analysis pending).
How do I remediate CVE-2026-70356?
A fix for CVE-2026-70356 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2026-70356 are linked in the Vendor Advisories panel on this page.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2026-70356

Explore →

Is Your Infrastructure Affected by CVE-2026-70356?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.