CVE-2026-79675

CRITICALPre-NVD 9.89.8—
EchelonGraph scoreHIGH confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2026-08-25. a secondary CVSS source baseline 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 4 sources updated this weekElevated
9.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 9.8Exploit: Elevated riskExposed: 0

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

NLTK before 3.10.3 fails to validate JVM options passed through the per-call options parameter in the java() function, allowing attackers to inject dangerous JVM flags. Attackers can supply malicious options like -agentpath, -javaagent, or @argfile to Stanford wrapper classes to achieve arbitrary code execution.

CVSS v3
9.8
EG Score
9.8(high)
EG Risk
75(Attend)
EG Risk 75/100SSVC: Attend

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
Severity98% × 45%
Exploitation40% × 40%
Automatability100% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
0%
EPSS %ILE
33%
KEV
Not listed

Published

August 25, 2026

Last Modified

August 27, 2026

Advisory Details (1)

Auto-updated Aug 27, 2026
🔬 Proof of concept available. Patch available. Sources: github.
github Patch Available🟡 PoC Available

JVM argument injection bypass via per-call options in the NLTK Stanford wrappers (incomplete fix of CVE-2026-12841) · Advisory · nltk/nltk · GitHub

https://github.com/nltk/nltk/security/advisories/GHSA-m4rf-3fr8-xwx3

Vendor Advisories for CVE-2026-79675(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 46× in last 7d / 46× 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. 2026-08-30 05:46 UTCGHSA enrichment
  2. 2026-08-30 02:05 UTCEG score recompute
  3. 2026-08-30 02:05 UTCGHSA enrichment
  4. 2026-08-30 01:22 UTCEPSS rescore
  5. 2026-08-29 22:25 UTCGHSA enrichment
  6. 2026-08-29 18:45 UTCGHSA enrichment
  7. 2026-08-29 15:03 UTCGHSA enrichment
  8. 2026-08-29 11:22 UTCGHSA enrichment
  9. 2026-08-29 07:38 UTCGHSA enrichment
  10. 2026-08-29 03:57 UTCGHSA enrichment
  11. 2026-08-29 00:16 UTCEG score recompute
  12. 2026-08-29 00:16 UTCGHSA enrichment
  13. 2026-08-28 21:42 UTCEPSS rescore
  14. 2026-08-28 16:10 UTCGHSA enrichment
  15. 2026-08-28 11:59 UTCGHSA enrichment
  16. 2026-08-28 08:19 UTCGHSA enrichment
  17. 2026-08-28 04:39 UTCGHSA enrichment
  18. 2026-08-28 00:56 UTCGHSA enrichment
  19. 2026-08-27 21:16 UTCGHSA enrichment
  20. 2026-08-27 17:36 UTCEG score recompute
  21. 2026-08-27 17:36 UTCGHSA enrichment
  22. 2026-08-27 17:14 UTCEG score recompute
  23. 2026-08-27 17:14 UTCGHSA enrichment
  24. 2026-08-27 14:25 UTCEPSS rescore
  25. 2026-08-27 13:19 UTCGHSA enrichment
Show 21 more
  1. 2026-08-27 09:38 UTCGHSA enrichment
  2. 2026-08-27 05:58 UTCGHSA enrichment
  3. 2026-08-27 02:13 UTCGHSA enrichment
  4. 2026-08-26 22:33 UTCGHSA enrichment
  5. 2026-08-26 18:53 UTCEG score recompute
  6. 2026-08-26 18:53 UTCGHSA enrichment
  7. 2026-08-26 15:12 UTCEG score recompute
  8. 2026-08-26 15:12 UTCGHSA enrichment
  9. 2026-08-26 14:47 UTCEPSS rescore
  10. 2026-08-26 11:31 UTCGHSA enrichment
  11. 2026-08-26 07:51 UTCEG score recompute
  12. 2026-08-26 07:51 UTCGHSA enrichment
  13. 2026-08-26 04:11 UTCEG score recompute
  14. 2026-08-26 04:10 UTCGHSA enrichment
  15. 2026-08-26 03:24 UTCGHSA enrichment
  16. 2026-08-25 23:44 UTCGHSA enrichment
  17. 2026-08-25 20:05 UTCEG score recompute
  18. 2026-08-25 20:04 UTCGHSA enrichment
  19. 2026-08-25 16:24 UTCEG score recompute
  20. 2026-08-25 15:30 UTCEG score recompute
  21. 2026-08-25 15:29 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-79675?
CVE-2026-79675 is a critical vulnerability published on August 25, 2026. NLTK before 3.10.3 fails to validate JVM options passed through the per-call options parameter in the java() function, allowing attackers to inject dangerous JVM flags. Attackers can supply malicious options like -agentpath, -javaagent, or @argfile to Stanford wrapper classes to achieve arbitrary…
When was CVE-2026-79675 disclosed?
CVE-2026-79675 was first published in the National Vulnerability Database on August 25, 2026, with the most recent update on August 27, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-79675 actively exploited?
CVE-2026-79675 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 66.6% of all scored CVEs.
What is the CVSS score of CVE-2026-79675?
CVE-2026-79675 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2026-79675?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-79675, 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-2026-79675

Explore →

Is Your Infrastructure Affected by CVE-2026-79675?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs