VDB
CVE-2026-12243
CVE-2026-12243
REJECTED
CVSS 7.5 HIGH
Reported by @huntr_ai · Published June 30, 2026
This CVE ID has been rejected or withdrawn by its CVE Numbering Authority.
EPSS 0.58% · 44.7th percentile
Risk Scores
CVSS 3.0
7.5
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS Score
0.58%
44.7th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| chainguard | py3-nltk | 0, 0, 0 |
| wolfi | py3-nltk | 0, 0, 0 |
| nltk | nltk/nltk | unspecified |
| PyPI | nltk | 0 |
Timeline
- Jun 30, 2026 CVE Published
- Jun 30, 2026 Coalition ESS Score
- Aug 7, 2026 EPSS Score
- Aug 8, 2026 EPSS Score
- Aug 21, 2026 Security Advisory
References
- https://nvd.nist.gov/vuln/detail/CVE-2026-12243 advisory
- https://github.com/advisories/GHSA-m42h-3232-vpv3 advisory
- https://github.com/nltk/nltk/security/advisories/GHSA-m42h-3232-vpv3 url
- https://github.com/pypa/advisory-database/tree/main/vulns/nltk/PYSEC-2026-597.yaml advisory
- https://huntr.com/bounties/39aa9354-54ca-4e77-96da-580eb1fe6ed1 url
- https://securityinfinity.com/research/path-traversal-in-nltks-nltk-data-load-via-percent-encoded-sequences url
- https://github.com/nltk/nltk/pull/3522 fix
- https://github.com/nltk/nltk/issues/3504 discussion
- https://github.com/nltk/nltk/commit/aec4fce1b84ad725b8975f7365b23a4f626572a9 fix