CVE-2026-64879

CRITICALPre-NVD 9.99.9—
EchelonGraph scoreHIGH confidence

Score 9.9 from GitHub Security Advisory (severity: CRITICAL) published 2026-07-21. a secondary CVSS source baseline 9.9; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
9.9EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 3%CVSS: 9.9Exploit: None knownExposed: 0

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

A filename supplied during file upload is not properly sanitized before being used in system command execution, allowing an attacker to inject shell metacharacters and achieve command injection via the audit file upload functionality.

CVSS v3
9.9
EG Score
9.9(high)
EG Risk
46(Track)
EG Risk 46/100SSVC: 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
Severity99% × 45%
Exploitation3% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
3%
EPSS %ILE
84%
KEV
Not listed

Published

July 21, 2026

Last Modified

July 24, 2026

Advisory Details (1)

Auto-updated Jul 24, 2026
Patch available.
generic Patch Available

[R3] Stand-alone Security Patch Available for Tenable Security Center Versions 6.6.0, 6.7.2 and 6.8.0: SC202607.1 - Security Advisory | Tenable®

https://www.tenable.com/security/tns-2026-19

Vendor Advisories for CVE-2026-64879(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 45× in last 7d / 53× 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. 2026-07-30 05:41 UTCGHSA enrichment
  2. 2026-07-30 02:03 UTCEG score recompute
  3. 2026-07-30 02:03 UTCGHSA enrichment
  4. 2026-07-30 01:30 UTCEPSS rescore
  5. 2026-07-30 01:30 UTCEPSS rescore
  6. 2026-07-29 22:26 UTCGHSA enrichment
  7. 2026-07-29 18:47 UTCGHSA enrichment
  8. 2026-07-29 15:08 UTCGHSA enrichment
  9. 2026-07-29 11:30 UTCGHSA enrichment
  10. 2026-07-29 07:52 UTCGHSA enrichment
  11. 2026-07-29 03:59 UTCGHSA enrichment
  12. 2026-07-29 00:20 UTCGHSA enrichment
  13. 2026-07-28 20:42 UTCGHSA enrichment
  14. 2026-07-28 17:02 UTCEG score recompute
  15. 2026-07-28 17:02 UTCGHSA enrichment
  16. 2026-07-28 15:37 UTCEPSS rescore
  17. 2026-07-28 13:23 UTCGHSA enrichment
  18. 2026-07-28 09:44 UTCGHSA enrichment
  19. 2026-07-28 06:06 UTCGHSA enrichment
  20. 2026-07-28 02:29 UTCGHSA enrichment
  21. 2026-07-27 22:52 UTCGHSA enrichment
  22. 2026-07-27 19:09 UTCGHSA enrichment
  23. 2026-07-27 15:13 UTCEG score recompute
  24. 2026-07-27 15:13 UTCGHSA enrichment
  25. 2026-07-27 14:14 UTCEPSS rescore
Show 28 more
  1. 2026-07-27 11:24 UTCGHSA enrichment
  2. 2026-07-27 07:48 UTCGHSA enrichment
  3. 2026-07-27 04:09 UTCGHSA enrichment
  4. 2026-07-27 00:31 UTCGHSA enrichment
  5. 2026-07-26 20:54 UTCGHSA enrichment
  6. 2026-07-26 17:15 UTCEG score recompute
  7. 2026-07-26 17:15 UTCGHSA enrichment
  8. 2026-07-26 14:54 UTCEPSS rescore
  9. 2026-07-26 14:54 UTCEPSS rescore
  10. 2026-07-26 13:39 UTCEG score recompute
  11. 2026-07-26 13:39 UTCGHSA enrichment
  12. 2026-07-26 10:01 UTCGHSA enrichment
  13. 2026-07-26 04:19 UTCEG score recompute
  14. 2026-07-26 04:19 UTCGHSA enrichment
  15. 2026-07-25 14:18 UTCEPSS rescore
  16. 2026-07-25 14:18 UTCEPSS rescore
  17. 2026-07-24 14:18 UTCEPSS rescore
  18. 2026-07-24 14:18 UTCEPSS rescore
  19. 2026-07-23 14:18 UTCEPSS rescore
  20. 2026-07-23 14:18 UTCEPSS rescore
  21. 2026-07-23 03:22 UTCEG score recompute
  22. 2026-07-22 22:59 UTCEG score recompute
  23. 2026-07-22 22:59 UTCGHSA enrichment
  24. 2026-07-22 14:08 UTCEPSS rescore
  25. 2026-07-22 14:08 UTCEPSS rescore
  26. 2026-07-21 21:25 UTCEG score recompute
  27. 2026-07-21 20:15 UTCEG score recompute
  28. 2026-07-21 20:13 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-64879?
CVE-2026-64879 is a critical vulnerability published on July 21, 2026. A filename supplied during file upload is not properly sanitized before being used in system command execution, allowing an attacker to inject shell metacharacters and achieve command injection via the audit file upload functionality.
When was CVE-2026-64879 disclosed?
CVE-2026-64879 was first published in the National Vulnerability Database on July 21, 2026, with the most recent update on July 24, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-64879 actively exploited?
CVE-2026-64879 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 3% probability of exploitation in the next 30 days, which ranks it in the top 16.3% of all scored CVEs.
What is the CVSS score of CVE-2026-64879?
CVE-2026-64879 has a CVSS v3 base score of 9.9 (NVD).
How do I remediate CVE-2026-64879?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-64879, 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-2026-64879

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