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CVE-2026-40934 · cross-distro fix matrix

CVE-2026-40934: Jupyter Server is the backend for Jupyter web applications. In versions 2.17.0 and earlier, the secret used to sign authentication cookies is persisted to a static file at ~/.local/share/jupyter/runti

Affects 1 Linux release across 1 (distro × package) combinations. First disclosed: 2026-05-05.

CVSS v3:MEDIUM · 6.8(NVD-published)

Fix per ecosystem

Each block below is a distro release where CVE-2026-40934 has a known fix. Run the listed command on that distro to remediate.

Alpine edge

Source: Alpine secdb

  • jupyter-server→ fixed in2.18.2-r0
    apk update && apk add --upgrade jupyter-server
Are YOU affected by CVE-2026-40934?

5-second check on your actual server. Reads /etc/os-release, uname -r, and the distro's package manager; matches against this same cross-source index live.

curl https://mindsparkstack.com/scan.sh | bash
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