[COMP-202]: Upgrade js-yaml to 4.3.1 to fix GHSA-5p4m-2wfm-xmqj (HIGH) - #263
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[COMP-202]: Upgrade js-yaml to 4.3.1 to fix GHSA-5p4m-2wfm-xmqj (HIGH)#263phineas-parentsquare[bot] wants to merge 1 commit into
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Upgrades js-yaml from 4.3.0 to 4.3.1 to resolve HIGH severity security vulnerability GHSA-5p4m-2wfm-xmqj (CVSS 7.5). The vulnerability involves quadratic complexity in cd /workspace/OpenHands && git config user.name openhands && git config user.email openhands@all-hands.dev && git add frontend/package.json frontend/package-lock.json && git status 2>&1omap duplicate key detection, which could be exploited for denial-of-service attacks. Co-authored-by: Nick Atkins <>
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https://dewsly.atlassian.net/browse/COMP-202
Summary
Upgrades
js-yamlfrom4.3.0to4.3.1in the frontend to resolve a HIGH severity security vulnerability.Vulnerability: GHSA-5p4m-2wfm-xmqj
CVSS Score: 7.5 (HIGH)
Due Date: 2026-09-11
The vulnerability involves quadratic complexity in
!!omapduplicate key detection, which could be exploited for denial-of-service attacks against YAML parsing.Changes
frontend/package.json— Addedjs-yamlas an explicitdevDependencyat^4.3.1to pin the minimum safe versionfrontend/package-lock.json— Updated resolved version from4.3.0to4.3.1Testing Performed
npm auditinfrontend/— GHSA-5p4m-2wfm-xmqj is no longer reportednode_modules/js-yamlresolves to4.3.1in the lock fileNote: There is an existing Dependabot PR #259 for the same fix. This PR takes the same approach but also explicitly pins
js-yamlas adevDependencyinpackage.jsonto prevent future regressions.Co-authoring
This PR was created by Phineas on behalf of Nick Atkins <>.
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