CVE-2026-23742

HIGH

8.8

Descricao

Skipper is an HTTP router and reverse proxy for service composition. The default skipper configuration before 0.23.0 was -lua-sources=inline,file. The problem starts if untrusted users can create lua filters, because of -lua-sources=inline , for example through a Kubernetes Ingress resource. The configuration inline allows these user to create a script that is able to read the filesystem accessible to the skipper process and if the user has access to read the logs, they an read skipper secrets. This vulnerability is fixed in 0.23.0.

Detalhes CVE

Pontuacao CVSS v3.18.8

SeveridadeHIGH

Vetor CVSSCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Vetor de ataqueNETWORK

ComplexidadeLOW

Privilegios necessariosLOW

Interacao do usuarioNONE

Publicado1/16/2026

Ultima modificacao2/18/2026

Fontenvd

Avistamentos honeypot0

Produtos afetados

zalando:skipper

Fraquezas (CWE)

CWE-94CWE-250CWE-522

Referencias

https://github.com/zalando/skipper/commit/0b52894570773b29e2f3c571b94b4211ef8fa714(security-advisories@github.com)

https://github.com/zalando/skipper/releases/tag/v0.23.0(security-advisories@github.com)

https://github.com/zalando/skipper/security/advisories/GHSA-cc8m-98fm-rc9g(security-advisories@github.com)

Correlacoes IOC

Sem correlacoes registradas

This product uses data from the NVD API but is not endorsed or certified by the NVD.