CVE detail
CVE-2026-39822
On Unix systems, opening a file in an os.Root improperly follows symlinks to locations outside of the Root when the final path component of the a path is a symbolic link and the path ends in /. For example, 'root.Open("symlink/")' will open "symlink" even when "symlink" is a symbolic link pointing outside of the root.
Buzz score
Why this CVE is surfacing
This all-time snapshot uses the same composite formula as Trending across a 30-year evidence window, rather than a current rolling window.
Buzz score components · mention 17.9 · diversity 16.5 · KEV 0.0 · OTX 0.0 · PoC 0.0
Why it matters now
Mention timeline
- Total mentions
- 5
- within the 30d window
- Peak daily
- 4
- highest bucket
Evidence
Source links by recency
5 source links · newest first
Information published.
vendormsrc.microsoft.comJul 15, 2026, 8:01 AM- https://pkg.go.dev/vuln/GO-2026-4970pkg.go.dev
No excerpt available.
Exploitpkg.go.devJul 8, 2026, 5:17 PM - https://groups.google.com/g/golang-announce/c/OrmQE_Yp5Scgroups.google.com
No excerpt available.
Vendor Advisorygroups.google.comJul 8, 2026, 5:17 PM No excerpt available.
Vendor Advisorygo.devJul 8, 2026, 5:17 PM- https://go.dev/cl/797880go.dev
No excerpt available.
Vendor Advisorygo.devJul 8, 2026, 5:17 PM
Exploit code
Public exploit repository references
Public PoC repositories are third-party, potentially unsafe artifacts. Treat their code as untrusted and use it only on authorized systems in an isolated, least-privilege environment. cvebuzz does not execute the code or verify that an exploit works.
0 repository references · best confidence N/A · max 0 stars
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