PT-2026-79148 · Tor · Tor

CVE-2026-77638

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Published

2026-08-20

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Updated

2026-08-25

CVSS v3.1

8.9

High

VectorAV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:L
Name of the Vulnerable Software and Affected Versions Tor versions prior to 0.4.9.11
Description A race condition exists that allows a rendezvous point to impersonate the onion service a client is attempting to reach, potentially enabling a man-in-the-middle attack.
Recommendations Update to version 0.4.9.11 or later.

Fix

Race Condition

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Weakness Enumeration

Related Identifiers

CVE-2026-77638
OPENSUSE-SU-2026:11590-1
OPENSUSE-SU-2026:21660-1

Affected Products

Tor