CVE-2026-70626
CVE-2026-70626: 1 tracked advisory record across Red Hat. Compare vendor sources and published fix guidance.
Compare the source-linked records below. Ratings and product/version details belong to each advisory; they are not a single CVE-wide score or proof that every listed product is affected. How VulniPulse collects and checks evidence.
Vendor advisory comparison
Red Hat
1 advisory- Advisory severityMedium6.2
Medium [CVE-2026-70626] Information disclosure via symlink escape in CorpusReader.open
CVE-2026-70626Source published Source updated
NLTK versions before 3.9.4 contain a symlink escape vulnerability in CorpusReader.open() that allows local attackers to read arbitrary files outside the corpus root. The vulnerability exists because path validation is lexical and does not account for symlink resolution, enabling attackers to place symlinks inside the corpus root to access files outside the intended boundary. A flaw was found in NLTK. By placing symbolic links (symlinks) within the corpus root, an attacker can bypass path validation in the `CorpusReader.open()` function, which does not properly account for symlink resolution. This could lead to unauthorized information disclosure. The vulnerability arises from improper path validation in CorpusReader.open() when handling symlinks, enabling an attacker with local access to…
- Affected products in this advisory
- No product details extracted. Check the source bulletin.
- Source-reported affected versions
- < 3.9.4
- Source-reported fixed versions
- No fixed-version detail extracted. This does not mean no fix exists.
- Mitigation guidance
- 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.
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