CVE-2026-18489

HIGHPre-NVD 7.47.4—
EchelonGraph scoreHIGH confidence

Score 7.4 from GitHub Security Advisory (severity: HIGH) published 2026-09-04. a secondary CVSS source baseline 7.4; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
7.4EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.4Exploit: None knownExposed: 0

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

IBM ContextForge MCP Gateway - Translate utility <= 1.0.8 MCP Context Forge could allow a remote attacker to obtain sensitive information from other sessions due to exposure of data elements to the wrong session.

CVSS v3
7.4
EG Score
7.4(high)
EG Risk
33(Track)
EG Risk 33/100SSVC: 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
Severity74% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
18%
KEV
Not listed

Published

September 4, 2026

Last Modified

September 15, 2026

Advisory Details (1)

Auto-updated Sep 4, 2026
No patch confirmed yet.
generic

Security Bulletin: IBM ContextForge Translate is affected by cross-client credential context confusion

https://www.ibm.com/support/pages/node/7286056

Vendor Advisories for CVE-2026-18489(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 26× in last 7d / 60× 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 00:44 UTCEG score recompute
  2. 2026-09-19 00:44 UTCGHSA enrichment
  3. 2026-09-18 19:27 UTCEPSS rescore
  4. 2026-09-18 13:06 UTCGHSA enrichment
  5. 2026-09-18 01:27 UTCEG score recompute
  6. 2026-09-18 01:27 UTCGHSA enrichment
  7. 2026-09-17 13:48 UTCGHSA enrichment
  8. 2026-09-17 02:09 UTCGHSA enrichment
  9. 2026-09-16 14:30 UTCEG score recompute
  10. 2026-09-16 14:30 UTCGHSA enrichment
  11. 2026-09-16 14:07 UTCEPSS rescore
  12. 2026-09-16 05:14 UTCEPSS rescore
  13. 2026-09-16 02:51 UTCGHSA enrichment
  14. 2026-09-15 15:12 UTCGHSA enrichment
  15. 2026-09-15 10:20 UTCEG score recompute
  16. 2026-09-15 10:20 UTCGHSA enrichment
  17. 2026-09-14 22:39 UTCGHSA enrichment
  18. 2026-09-14 11:00 UTCGHSA enrichment
  19. 2026-09-13 23:22 UTCEG score recompute
  20. 2026-09-13 23:22 UTCGHSA enrichment
  21. 2026-09-13 16:46 UTCEPSS rescore
  22. 2026-09-13 11:43 UTCGHSA enrichment
  23. 2026-09-13 00:04 UTCEG score recompute
  24. 2026-09-13 00:04 UTCGHSA enrichment
  25. 2026-09-12 15:00 UTCEPSS rescore
Show 35 more
  1. 2026-09-12 12:26 UTCGHSA enrichment
  2. 2026-09-12 00:47 UTCEG score recompute
  3. 2026-09-12 00:47 UTCGHSA enrichment
  4. 2026-09-11 14:52 UTCEPSS rescore
  5. 2026-09-11 13:08 UTCEG score recompute
  6. 2026-09-11 13:08 UTCGHSA enrichment
  7. 2026-09-11 09:36 UTCEPSS rescore
  8. 2026-09-11 01:29 UTCGHSA enrichment
  9. 2026-09-10 13:50 UTCEG score recompute
  10. 2026-09-10 13:50 UTCGHSA enrichment
  11. 2026-09-10 09:34 UTCEPSS rescore
  12. 2026-09-10 02:11 UTCGHSA enrichment
  13. 2026-09-09 14:32 UTCGHSA enrichment
  14. 2026-09-09 02:53 UTCEG score recompute
  15. 2026-09-09 02:53 UTCGHSA enrichment
  16. 2026-09-08 22:00 UTCEPSS rescore
  17. 2026-09-08 15:14 UTCGHSA enrichment
  18. 2026-09-08 04:12 UTCGHSA enrichment
  19. 2026-09-07 16:33 UTCEG score recompute
  20. 2026-09-07 16:33 UTCGHSA enrichment
  21. 2026-09-07 16:01 UTCEPSS rescore
  22. 2026-09-07 04:54 UTCGHSA enrichment
  23. 2026-09-06 17:16 UTCEG score recompute
  24. 2026-09-06 17:16 UTCGHSA enrichment
  25. 2026-09-06 13:47 UTCEPSS rescore
  26. 2026-09-06 05:37 UTCGHSA enrichment
  27. 2026-09-05 17:58 UTCEG score recompute
  28. 2026-09-05 17:58 UTCGHSA enrichment
  29. 2026-09-05 06:19 UTCGHSA enrichment
  30. 2026-09-04 18:39 UTCEG score recompute
  31. 2026-09-04 18:39 UTCGHSA enrichment
  32. 2026-09-04 17:35 UTCEG score recompute
  33. 2026-09-04 17:28 UTCEG score recompute
  34. 2026-09-04 16:30 UTCEG score recompute
  35. 2026-09-04 16:29 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-18489?
CVE-2026-18489 is a high vulnerability published on September 4, 2026. IBM ContextForge MCP Gateway - Translate utility <= 1.0.8 MCP Context Forge could allow a remote attacker to obtain sensitive information from other sessions due to exposure of data elements to the wrong session.
When was CVE-2026-18489 disclosed?
CVE-2026-18489 was first published in the National Vulnerability Database on September 4, 2026, with the most recent update on September 15, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-18489 actively exploited?
CVE-2026-18489 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 82.2% of all scored CVEs.
What is the CVSS score of CVE-2026-18489?
CVE-2026-18489 has a CVSS v3 base score of 7.4 (NVD).
How do I remediate CVE-2026-18489?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-18489, 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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