Answer in brief
CVE-2023-30589 records a High severity (CVSS 7.5) vulnerability in CVE Program Container. The current sources do not mark it as known exploited. The current feed maps NodeJS/Node (generic), llhttp (npm). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 7.5. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps NodeJS/Node (generic), llhttp (npm). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| NodeJS/Nodegeneric | >=4.0 <4.* || >=5.0 <5.* || >=6.0 <6.* || >=7.0 <7.* || >=8.0 <8.* || >=9.0 <9.* || >=10.0 <10.* || >=11.0 <11.* || >=12.0 <12.* || >=13.0 <13.* || >=14.0 <14.* || >=15.0 <15.* || >=16.0 <16.20.1 || >=17.0 <17.* || >=18.0 <18.16.1 || >=19.0 <19.* || >=20.0 <20.3.1 | 4.*, 5.*, 6.*, 7.*, 8.*, 9.*, 10.*, 11.*, 12.*, 13.*, 14.*, 15.*, 16.20.1, 17.*, 18.16.1, 19.*, 20.3.1 |
| llhttpnpm | >=0 <8.1.1 | 8.1.1 |
Published upstream
Jun 30, 2023
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Oct 8, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 7, 2026
The llhttp parser in the http module in Node v20.2.0 does not strictly use the CRLF sequence to delimit HTTP requests. This can lead to HTTP Request Smuggling (HRS). The CR character (without LF) is sufficient to delimit HTTP header fields in the llhttp parser. According to RFC7230 section 3, only the CRLF sequence should delimit each header-field. This impacts all Node.js active versions: v16, v18, and, v20
Quoted source text, attributed separately from HOL analysis.