stanford-parser v3.9.2 and below was discovered to contain a code injection vulnerability…
Priority HIGH 82CWE-94Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-94.
Summary
stanford-parser v3.9.2 and below was discovered to contain a code injection vulnerability in the component edu.stanford.nlp.io.getBZip2PipedInputStream. This vulnerability is exploited via passing an unchecked argument.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.0104 64th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed edu.stanford.nlp:stanford-parser (Maven): 4.5.5
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | edu.stanford.nlp:stanford-parser (Maven) | before 4.5.5 | 4.5.5 | Patch available | GHSA-353m-jh2m-72v4 |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- edu.stanford.nlp:stanford-parser (Maven) Vendor— Affected before 4.5.5 Fixed in 4.5.5 Patch available GHSA-353m-jh2m-72v4
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:stanford:stanford_parser:*:*:*:*:*:*:*:* | before 4.5.5 | Vulnerable | stanfordnlp |
- cpe:2.3:a:stanford:stanford_parser:*:*:*:*:*:*:*:* Versions before 4.5.5 Vulnerable ·stanfordnlp
Remediation
- Fix · GHSA-353m-jh2m-72v4 edu.stanford.nlp:stanford-parser (Maven) Fixed in 4.5.5 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2023-39020
- 2026-10-03 Alias added: GHSA-353m-jh2m-72v4
References
Sources
- CVE-2023-39020 · CVE Program
- CVE-2023-39020 · NVD
- FIRST EPSS
- GHSA-353m-jh2m-72v4 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences