CVE-2026-48440

HIGHPre-NVD 8.18.1
EchelonGraph scoreHIGH confidence

Score 8.1 from GitHub Security Advisory (severity: HIGH) published 2026-08-11. a secondary CVSS source baseline 8.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
8.1EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 8.1Exploit: None knownExposed: 0

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

ColdFusion is affected by a Heap-based Buffer Overflow vulnerability that could result in arbitrary code execution in the context of the current user. Exploit depends on conditions beyond the attacker's control. Exploitation of this issue does not require user interaction.

CVSS v3
8.1
EG Score
8.1(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
Severity81% × 45%
Exploitation1% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
47%
KEV
Not listed

Published

August 11, 2026

Last Modified

August 13, 2026

Vendor Advisories for CVE-2026-48440(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 / 42× 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. 2026-08-20 07:39 UTCGHSA enrichment
  2. 2026-08-19 18:41 UTCEG score recompute
  3. 2026-08-19 18:41 UTCGHSA enrichment
  4. 2026-08-19 17:04 UTCEPSS rescore
  5. 2026-08-19 04:13 UTCGHSA enrichment
  6. 2026-08-18 15:16 UTCEG score recompute
  7. 2026-08-18 15:16 UTCGHSA enrichment
  8. 2026-08-18 13:48 UTCEPSS rescore
  9. 2026-08-18 01:38 UTCEG score recompute
  10. 2026-08-18 01:38 UTCGHSA enrichment
  11. 2026-08-17 13:47 UTCEPSS rescore
  12. 2026-08-17 12:42 UTCGHSA enrichment
  13. 2026-08-16 23:46 UTCEG score recompute
  14. 2026-08-16 23:46 UTCGHSA enrichment
  15. 2026-08-16 14:56 UTCEPSS rescore
  16. 2026-08-16 10:49 UTCEG score recompute
  17. 2026-08-16 10:49 UTCGHSA enrichment
  18. 2026-08-16 02:14 UTCEPSS rescore
  19. 2026-08-15 21:54 UTCGHSA enrichment
  20. 2026-08-15 08:58 UTCEG score recompute
  21. 2026-08-15 08:58 UTCGHSA enrichment
  22. 2026-08-15 01:30 UTCEPSS rescore
  23. 2026-08-14 20:01 UTCGHSA enrichment
  24. 2026-08-14 07:05 UTCEG score recompute
  25. 2026-08-14 07:05 UTCGHSA enrichment
Show 17 more
  1. 2026-08-13 22:00 UTCEPSS rescore
  2. 2026-08-13 18:09 UTCGHSA enrichment
  3. 2026-08-13 10:18 UTCGHSA enrichment
  4. 2026-08-12 21:22 UTCGHSA enrichment
  5. 2026-08-12 14:27 UTCEG score recompute
  6. 2026-08-12 14:27 UTCGHSA enrichment
  7. 2026-08-12 14:02 UTCEG score recompute
  8. 2026-08-12 14:02 UTCGHSA enrichment
  9. 2026-08-12 13:51 UTCEPSS rescore
  10. 2026-08-12 05:36 UTCEG score recompute
  11. 2026-08-12 05:36 UTCGHSA enrichment
  12. 2026-08-12 04:27 UTCEG score recompute
  13. 2026-08-12 04:27 UTCGHSA enrichment
  14. 2026-08-11 18:39 UTCEG score recompute
  15. 2026-08-11 18:39 UTCGHSA enrichment
  16. 2026-08-11 16:46 UTCEG score recompute
  17. 2026-08-11 16:45 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-48440?
CVE-2026-48440 is a high vulnerability published on August 11, 2026. ColdFusion is affected by a Heap-based Buffer Overflow vulnerability that could result in arbitrary code execution in the context of the current user. Exploit depends on conditions beyond the attacker's control. Exploitation of this issue does not require user interaction.
When was CVE-2026-48440 disclosed?
CVE-2026-48440 was first published in the National Vulnerability Database on August 11, 2026, with the most recent update on August 13, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-48440 actively exploited?
CVE-2026-48440 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 53.1% of all scored CVEs.
What is the CVSS score of CVE-2026-48440?
CVE-2026-48440 has a CVSS v3 base score of 8.1 (NVD).
How do I remediate CVE-2026-48440?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-48440, 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-2026-48440

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