CVE-2026-94055

MEDIUMNVD 5.35.3—
EchelonGraph scoreMEDIUM confidence

This medium-severity CVE scores 5.3 under NVD CVSS v3. EPSS exploit probability: 0.3% (19th percentile of EPSS-scored CVEs). GitHub Security Advisory enrichment pending alignment with NVD CVSS.

Triggered by: NVD CVSS baseline
Sources: epss, ghsa, nvd
Trending — 4 sources updated this week
5.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0.3%CVSS: 5.3Exploit: None knownExposed services: Not assessed

A fix is available — apply it.

Exim before 4.100.1, when certain non-default TLS settings are used with GnuTLS, has a use-after-free.

CVSS v3
5.3
EG Score
5.3MEDIUMmedium confidence
EG Risk
24
EG Risk 24/100CISA 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
Severity53% × 45%
Exploitation0% × 40%
Automatability0% × 15%
CISA SSVC: Track at every mission impact level.
Action: A fix is available. Apply it within your standard update timelines.
EPSS PROB
0.3%
EPSS %ILE
19th
KEV
Not listed

CISA SSVCTrack at every mission impact level.

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

Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact partial (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 19, 2026

Last Modified

September 24, 2026

Advisory Details (1)

Auto-updated Sep 24, 2026
Patch available.
generic

[exim] Exim Security Release - 4.100.1

https://lists.exim.org/lurker/message/20260918.121220.0f87338e.en.html

Vendor Advisories for CVE-2026-94055(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Patch Availability(1)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntueximon4 (4.99.1-1ubuntu1.5) @ resolute2026-10-03ubuntu

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

All Vendor Advisories

(1)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 23× in last 7d / 45× 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. 2026-10-03 15:52 UTCEG score recompute
  2. 2026-10-03 15:52 UTCVendor advisory
  3. 2026-10-03 15:52 UTCGHSA enrichment
  4. 2026-10-03 14:26 UTCEPSS rescore
  5. 2026-10-02 17:57 UTCEPSS rescore
  6. 2026-10-02 13:26 UTCEG score recompute
  7. 2026-10-02 13:26 UTCVendor advisory
  8. 2026-10-02 13:26 UTCGHSA enrichment
  9. 2026-10-01 19:51 UTCEPSS rescore
  10. 2026-10-01 11:06 UTCEG score recompute
  11. 2026-10-01 11:06 UTCVendor advisory
  12. 2026-10-01 11:06 UTCGHSA enrichment
  13. 2026-09-30 15:04 UTCEPSS rescore
  14. 2026-09-30 08:42 UTCEG score recompute
  15. 2026-09-30 08:42 UTCVendor advisory
  16. 2026-09-30 08:42 UTCGHSA enrichment
  17. 2026-09-29 06:21 UTCEG score recompute
  18. 2026-09-29 06:21 UTCVendor advisory
  19. 2026-09-29 06:21 UTCGHSA enrichment
  20. 2026-09-28 13:52 UTCEPSS rescore
  21. 2026-09-28 13:52 UTCEPSS rescore
  22. 2026-09-28 04:01 UTCEG score recompute
  23. 2026-09-28 04:01 UTCGHSA enrichment
  24. 2026-09-27 13:49 UTCEPSS rescore
  25. 2026-09-27 01:41 UTCEG score recompute
Show 20 more
  1. 2026-09-27 01:41 UTCGHSA enrichment
  2. 2026-09-26 15:59 UTCEPSS rescore
  3. 2026-09-25 23:19 UTCGHSA enrichment
  4. 2026-09-24 20:55 UTCEG score recompute▲ 1.60
  5. 2026-09-24 20:55 UTCGHSA enrichment
  6. 2026-09-24 20:55 UTCNVD updateCVSS v3 → 5.3 · severity → MEDIUM
  7. 2026-09-24 14:04 UTCEPSS rescore
  8. 2026-09-23 17:54 UTCEPSS rescore
  9. 2026-09-22 20:13 UTCEG score recompute
  10. 2026-09-22 20:13 UTCGHSA enrichment
  11. 2026-09-22 16:01 UTCEPSS rescore
  12. 2026-09-21 21:09 UTCEPSS rescore
  13. 2026-09-21 16:25 UTCEG score recompute
  14. 2026-09-21 16:25 UTCGHSA enrichment
  15. 2026-09-21 15:31 UTCEG score recompute
  16. 2026-09-21 15:30 UTCGHSA enrichment
  17. 2026-09-20 20:16 UTCEPSS rescore
  18. 2026-09-19 23:27 UTCEG score recompute
  19. 2026-09-19 22:56 UTCEG score recompute
  20. 2026-09-19 22:55 UTCMITRE cvelistV5first tracked

Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2026-94055?
CVE-2026-94055 is a medium vulnerability published on September 19, 2026. Exim before 4.100.1, when certain non-default TLS settings are used with GnuTLS, has a use-after-free.
When was CVE-2026-94055 disclosed?
CVE-2026-94055 was first published on September 19, 2026, with the most recent update on September 24, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-94055 actively exploited?
CVE-2026-94055 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.3% probability of exploitation in the next 30 days (19th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-94055?
CVE-2026-94055 has a CVSS v3 base score of 5.3 (NVD).
How do I remediate CVE-2026-94055?
A fix for CVE-2026-94055 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2026-94055 are linked in the Vendor Advisories panel on this page.

Dependency Blast Radius

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