High [CVE-2026-12243] Information disclosure via path traversal vulnerability
This high-severity Red Hat Linux advisory covers CVE-2026-12243.
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Summary
Information disclosure via path traversal vulnerability. Red Hat rates this important (CVSS 7.5).
Weakness: CWE-22.
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 months 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 months ago·verify at source
Mitigation checklist
- Do not pass untrusted or user-controlled input directly to nltk.data.load() or nltk.data.find(). Validate and sanitize any resource name parameter before use, rejecting values containing percent-encoded characters (%2f, %2e) or path traversal sequences. As defense-in-depth, set nltk.pathsec.ENFORCE = True in application code to enable file-read restrictions at the open stage (disabled by default).
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
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