CVE-2026-43982: Algernon: Path traversal file write via savein()
xyproto · algernon
Affected: xyproto algernon · Exploitation: unlikely (under 1%)
Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.
Higher than 28% of scored CVEs
DescriptionCVE.org
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.
Affected products1
From the CVE record. A product or version that is not listed is unknown, not unaffected.
- xyproto · algernon< 1.17.6
On the Atlas
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CoverageNo articles yet
No CyberSIXT article names CVE-2026-43982 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.