isomorphic-git is a pure JavaScript implementation of Git for Node.js and browsers. Prior to 1.38.6, isomorphic-git's git.checkout writes new child paths through symlinked leading directory components without checking them. A malicious repository can first place a directory symli...
Vendor
isomorphic-git vulnerabilities
7 published CVES affecting isomorphic-git, from public sources (CVE.org, NVD, CISA KEV, FIRST EPSS, OSV).
- Total
- 7
- Critical
- 0
- High
- 3
- Medium
- 4
- Low
- 0
- Unscored
- 0
- CISA KEV
- 0
Products
Latest isomorphic-git CVEs
Newest publication first
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HighCVSS 8.8 EPSS 0.72%
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CVE-2026-63475 isomorphic-git: Circular symbolic references cause non-terminating resolution (DoS)
PublishedMediumCVSS 4.3 EPSS 0.40%isomorphic-git is a pure JavaScript implementation of Git for Node.js and browsers. Prior to 1.38.6, isomorphic-git persists server-supplied circular symref= capabilities through updateRemoteRefs, and GitRefManager.resolve() follows the resulting loose symbolic references without...
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MediumCVSS 4.3 EPSS 0.29%
isomorphic-git is a pure JavaScript implementation of Git for Node.js and browsers. Prior to 1.38.6, isomorphic-git reads a server-controlled targetSize while applying a packfile delta in src/utils/applyDelta.js and passes it without a bound to Buffer.alloc(targetSize). A malicio...
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MediumCVSS 5.3 EPSS 0.30%
isomorphic-git is a pure JavaScript implementation of Git for Node.js and browsers. Prior to 1.38.6, isomorphic-git's tree parser in src/models/GitTree.js accepts a standalone .. tree-entry name because it rejects only path separators. During clone or checkout from a malicious or...
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HighCVSS 7.1 EPSS 0.44%
isomorphic-git before 1.42.0 contains a prototype pollution vulnerability in the getRemoteInfo function that allows a malicious Git server operator to pollute Object.prototype by advertising crafted ref names containing 'proto' path segments during ref negotiation. Attackers cont...
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HighCVSS 7.5 EPSS 1.4%
The package @isomorphic-git/cors-proxy before 2.7.1 are vulnerable to Server-side Request Forgery (SSRF) due to missing sanitization and validation of the redirection action in middleware.js.
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MediumCVSS 5.3 EPSS 2.2%
isomorphic-git before 1.8.2 allows Directory Traversal via a crafted repository.
Sources: CVE.org, NVD, CISA KEV, FIRST EPSS, OSV and public exploit-reference metadata. Product matching comes from the published CVE records. A proof-of-concept means public code exists; it is not evidence of exploitation.