Answer in brief
CVE-2026-110240 records a Medium severity (CVSS 6.3) vulnerability in Lancet through 2.3.9 SSRF Protection Bypass via netutil.IsInternalIP. The current sources do not mark it as known exploited. The current feed maps duke-git/lancet (generic), duke-git/lancet (generic). 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 6.3. 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 duke-git/lancet (generic), duke-git/lancet (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| duke-git/lancetgeneric | >=2.1.2 <=2.3.9 | Not reported |
| duke-git/lancetgeneric | >=1.3.1 <=1.4.6 | Not reported |
Published upstream
Oct 13, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Oct 13, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Oct 13, 2026
Lancet through 2.3.9 contains an SSRF protection bypass vulnerability in netutil.IsInternalIP that misclassifies IPv6 private, link-local, CGNAT and transition addresses as external. Attackers can supply hostnames resolving to these address forms, including NAT64, 6to4 or Teredo embedding internal IPv4, to reach internal services or cloud metadata endpoints.
Quoted source text, attributed separately from HOL analysis.