CVE-2026-43982 - Algernon: Path traversal file write via savein()
CVE ID :CVE-2026-43982
Published : May 26, 2026, 4:30 p.m. | 30 minutes ago
Description :Algernon is a small self-contained pure-Go web server. Prior to 1.17.6, uploadedFileSaveIn() in lua/upload/upload.go uses filepath.Join() with the caller-supplied directory but performs no boundary check after joining. A directory of ../../../tmp resolves cleanly to /tmp, outside the web root. This vulnerability is fixed in 1.17.6.
Severity: 0.0 | NA
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Published : May 26, 2026, 4:30 p.m. | 30 minutes ago
Description :Algernon is a small self-contained pure-Go web server. Prior to 1.17.6, uploadedFileSaveIn() in lua/upload/upload.go uses filepath.Join() with the caller-supplied directory but performs no boundary check after joining. A directory of ../../../tmp resolves cleanly to /tmp, outside the web root. This vulnerability is fixed in 1.17.6.
Severity: 0.0 | NA
Visit the link for more details, such as CVSS details, affected products, timeline, and more...