CVE-2026-1758

HIGHPre-NVD 8.38.3—
EchelonGraph scoreHIGH confidence

Score 8.3 from GitHub Security Advisory (severity: HIGH) published 2026-09-15. a secondary CVSS source baseline 8.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 4 sources updated this week
8.3EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 8.3Exploit: None knownExposed: 0

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

Session fixation vulnerability in Secomea GateManager (webserver module) allows Session Fixation.

This issue affects GateManager: 11.5;0, 11.4.625515072:0.

Fixed in Version 11.6 or 11.4.626194074 and above

CVSS v3
8.3
EG Score
8.3(high)
EG Risk
37(Track)
EG Risk 37/100SSVC: 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
Severity83% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
16%
KEV
Not listed

Published

September 15, 2026

Last Modified

September 18, 2026

Advisory Details (1)

Auto-updated Sep 15, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic🟡 PoC Available

Cybersecurity Advisory

https://www.secomea.com/support/cybersecurity-advisory/

Vendor Advisories for CVE-2026-1758(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 20× in last 7d / 20× 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. 2026-09-19 07:02 UTCGHSA enrichment
  2. 2026-09-18 19:33 UTCEG score recompute
  3. 2026-09-18 19:33 UTCGHSA enrichment
  4. 2026-09-18 19:27 UTCEPSS rescore
  5. 2026-09-18 11:19 UTCGHSA enrichment
  6. 2026-09-17 23:50 UTCEG score recompute
  7. 2026-09-17 23:49 UTCGHSA enrichment
  8. 2026-09-17 11:31 UTCGHSA enrichment
  9. 2026-09-17 00:02 UTCEG score recompute
  10. 2026-09-17 00:02 UTCGHSA enrichment
  11. 2026-09-16 14:07 UTCEPSS rescore
  12. 2026-09-16 12:32 UTCGHSA enrichment
  13. 2026-09-16 01:03 UTCGHSA enrichment
  14. 2026-09-15 13:33 UTCEG score recompute
  15. 2026-09-15 13:33 UTCGHSA enrichment
  16. 2026-09-15 12:40 UTCEG score recompute
  17. 2026-09-15 12:40 UTCGHSA enrichment
  18. 2026-09-15 11:29 UTCEG score recompute
  19. 2026-09-15 10:58 UTCEG score recompute
  20. 2026-09-15 10:57 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-1758?
CVE-2026-1758 is a high vulnerability published on September 15, 2026. Session fixation vulnerability in Secomea GateManager (webserver module) allows Session Fixation. This issue affects GateManager: 11.5;0, 11.4.625515072:0. Fixed in Version 11.6 or 11.4.626194074 and above
When was CVE-2026-1758 disclosed?
CVE-2026-1758 was first published in the National Vulnerability Database on September 15, 2026, with the most recent update on September 18, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-1758 actively exploited?
CVE-2026-1758 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 84.4% of all scored CVEs.
What is the CVSS score of CVE-2026-1758?
CVE-2026-1758 has a CVSS v3 base score of 8.3 (NVD).
How do I remediate CVE-2026-1758?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-1758, 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-2026-1758

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