Description
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.
Affected products
putty: putty
References2
- www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/telnet-trus… PatchVendor Advisory
- lists.tartarus.org/pipermail/putty-announce/2026/000042.html Release Notes
Metrics
- CVSS 3.1
-
3.1
LOW
Score source: CNA
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N - EPSS — exploit probability
- 0% percentile: 13 · as of 14 November 2026
- CWE
- CWE-451
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