PuTTY 0.77 before 0.84 uses a copy of the PuTTY icon as a trust indication for TELNET data but the trust status is not cleared between proxy authentication and the main session.
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Score 3.1 from GitHub Security Advisory (severity: LOW) published 2026-05-26. NVD baseline CVSS 3.1; sources differ by 0.0.
PuTTY 0.77 before 0.84 uses a copy of the PuTTY icon as a trust indication for TELNET data but the trust status is not cleared between proxy authentication and the main session.
May 25, 2026
May 27, 2026
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