A vulnerability, which was classified as critical, was found in Tunnelblick up to 9.0beta01. Affected by this issue is some unknown functionality. The manipulation results in symlink following.
This vulnerability is known as CVE-2026-31893. Attacking locally is a requirement. No exploit is available.
You should upgrade the affected component.
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CVE-2026-31893 | Tunnelblick up to 9.0beta01 symlink (EUVD-2026-27434)
A vulnerability, which was classified as critical, was found in Tunnelblick up to 9.0beta01. Affected by this issue is some unknown functionality. The…
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CISA-SSVC-Triage (vulnrichment)CVE-2026-31893
Exploitation: poc (PoC verfügbar)Automatable: no (Nicht automatisierbar)Technical Impact: partial (Teilweise)
Quelle: CISA-ADP vulnrichment · Stand 2026-05-05T19:37:28.228929Z · CISA Coordinator
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Hersteller-Advisory noch nicht formal hinterlegt. Regelmäßiges Re-Scanning der CTI-Quellen anberaumt.
Referenzen aus der Primärquelle („Verifiziert" nur bei Hersteller-Domäne):
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Upstream-Referenz (Code-Hosting, kein Advisory)github.com
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Upstream-Referenz (Code-Hosting, kein Advisory)github.com