← Vulnerability feed

Vulnerability record · CVE-2026-12957 · published 23 June 2026

CVE-2026-12957: Incorrect permission assignment vulnerability

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.

8.5 CVSS 4.0 High EPSS 0.23% · top 87.2% CWE-732 · Incorrect permission assignment Awaiting Analysis
8.5CVSS 4.0 base score
0.23%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
2References
23 Jun 2026Last modified by NVD

Description

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

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

Track CVE-2026-12957 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

4.3CVE-2018-13374FortiOS and FortiADC access control flaw exposes LDAP credentialsFortiOS (6.0.2, 5.6.7 and earlier) and FortiADC (6.1.0, 6.0.0-6.0.1, 5.4.0-5.4.4) contain an improper access control flaw. An attacker can redirect a…KEVEPSS 38%analysed7.8CVE-2022-22960VMware Workspace ONE Access and related products local privilege escalationVMware Workspace ONE Access, Identity Manager, vRealize Automation and related products ship support scripts with incorrect permission assignments (C…KEVEPSS 36%analysed7.8CVE-2021-23874McAfee Total Protection local privilege escalation via self-defense bypassMcAfee Total Protection before 16.0.30 has an improper privilege management flaw that lets a local user bypass the product's self-defense mechanism a…KEVEPSS 1.0%analysed7.8CVE-2019-15752Docker Desktop Community Edition local privilege escalation via writable credential binaryDocker Desktop Community Edition before 2.1.0.1 assigns incorrect permissions to the %PROGRAMDATA%\DockerDesktop\version-bin\ directory, letting a lo…KEVEPSS 49%analysed

Source: NIST National Vulnerability Database (record CVE-2026-12957), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.