CVE-2026-48851
CVSS Score
3.1
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-451 |
| Vendor | putty |
| Product | putty |
| Published | May 25, 2026 |
| Last Updated | May 26, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
None
Affected Versions
PuTTY / PuTTY
0.77 < 0.84