CVE-2026-12957

Arbitrary Code Execution in Language Servers for AWS

CVSS 8.5 HIGHEPSS 0.1%CWE-732

Vexday Risk Score

21Baixo

Decisão SSVC (CISA)

Track

Sem sinal de exploração → monitorar

CVSS 8.5EPSS 0.1%KEV nãoPoC —Nuclei —Metasploit —Patch referenciado

Ciclo de vida

23 jun 2026Publicada no NVD

Recomendação: Monitorar — sem sinal de exploração no momento.

Improper trust boundary enforcement in Language Servers for AWS before version 1.65.0 on all supported platforms may allow a for arbitrary code execution. If a local user opens a maliciously crafted workspace, any commands within the project configuration files may be automatically executed. This issue requires the user to trust the workspace when prompted. To remediate this issue, users should upgrade to Language Servers for AWS version 1.65.0 or higher.

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Produtos afetados

Amazon Web Services · Language Servers for AWS

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Referências

https://aws.amazon.com/security/security-bulletins/2026-047-aws/https://github.com/aws/language-servers/security/advisories/GHSA-xhcr-j4j9-3gh7