CVE-2026-110240
MEDIUM
6,3
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: none
User Interaction: none
Confidentiality: N/A
Integrity: N/A
Availability: N/A
MEDIUM
4,8
Source: [email protected]
Attack Vector: network
Attack Complexity: high
Privileges Required: none
User Interaction: none
Scope: unchanged
Confidentiality: low
Integrity: low
Availability: none
Description
AI Translation Available
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.
918
Server-Side Request Forgery (SSRF)
IncompleteCommon Consequences
Security Scopes Affected:
Confidentiality
Integrity
Access Control
Potential Impacts:
Read Application Data
Execute Unauthorized Code Or Commands
Bypass Protection Mechanism
Applicable Platforms
Technologies:
Web Based, AI/ML, Web Server
https://github.com/duke-git/lancet/issues/356
https://github.com/duke-git/lancet
https://github.com/duke-git/lancet/blob/v1.4.6/netutil/net.go#L158-L170
https://github.com/duke-git/lancet/blob/v2.3.9/netutil/net.go#L192-L205
https://github.com/duke-git/lancet/commit/835111c832939a85416d686a1e99d5fe7060c…
https://github.com/duke-git/lancet/issues/356
https://github.com/duke-git/lancet/pull/357
https://www.vulncheck.com/advisories/lancet-through-2.3.9-ssrf-protection-bypas…