High [CVE-2026-79675] NLTK before 3.10.3 JVM Argument Injection via Per-Call Options
This high-severity Red Hat Linux advisory covers CVE-2026-79675 affecting Exploit Intelligence, Lightspeed Core, OpenShift Lightspeed.
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Summary
A flaw was found in NLTK. When processing untrusted input for its `per-call options` parameter in the `java()` function, NLTK fails to validate Java Virtual Machine (JVM) options.
A remote attacker could exploit this by injecting dangerous JVM flags, such as -agentpath or -javaagent, to achieve arbitrary code execution. Successful exploitation requires specific conditions, indicating a higher attack complexity.
Red Hat severity: Important — CVSS 8.1 (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H). Weakness: CWE-88.
Affected Red Hat products: Exploit Intelligence; Lightspeed Core; OpenShift Lightspeed; Red Hat Ansible Automation Platform 2; Red Hat OpenShift AI (RHOAI). Red Hat does not currently list a fixing RHSA for this CVE.
Affected versions
No affected-version range was extracted from the source record. The vendor advisory is authoritative — check it before change work.
Official advisory · high-confidence parse· fetched 2 hours ago·verify at source
Fixed versions
No fixed release is recorded yet. That does not prove no patch exists — confirm against the vendor advisory.
Official advisory · high-confidence parse· fetched 2 hours ago·verify at source
Mitigation checklist
- Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.
Official advisory · high-confidence parse· fetched 2 hours ago·verify at source
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