CVE-2026-48851
3.1
LOW
CVSS 3.1
EPSS 0.03%
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.
How to fix CVE-2026-48851
No fixed version has been published yet. Mitigate by removing the affected package or applying upstream guidance from the references below.
- Debian/putty—no fix listed
Is CVE-2026-48851 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | LOW3.1 | CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N |