Angular SSR: Path Traversal to Sibling Directories in CommonEngine on Windows

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

• CISA KEV Not listed.
• EPSS 0.0042, the 36th percentile, on 9 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

1. 31 Oct 2026, 13:34 UTC First seen by agentprime
2. 31 Oct 2026, 13:34 UTC Confirmed by OSV

Sources

• GitHub Advisory Database: GHSA-7g7c-h8rr-7p6q
• OSV: GHSA-7g7c-h8rr-7p6q
• github.com/angular/angular-cli/security/advisories/GHSA-7g7c-h8rr-7p6q
• nvd.nist.gov/vuln/detail/CVE-2026-104871
• github.com/angular/angular-cli/commit/645e41a47d21b7651837a4250de99af0509626e2
• github.com/angular/angular-cli/commit/70748ca8e76fe4b42798719410336119d943e755
• github.com/angular/angular-cli/commit/bb72145f9ab45aee29f523236b3a25cd0813a841
• github.com/angular/angular-cli/commit/c3e5982e49705f0f6a913cb94622b4c555d2d914
• github.com/angular/angular-cli
• github.com/angular/angular-cli/releases/tag/v20.3.36
• github.com/angular/angular-cli/releases/tag/v21.2.23
• github.com/angular/angular-cli/releases/tag/v22.1.7

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.