CVE-2026-48851

LOW
3.1
CVSS Score
Published: May 25, 2026 at 08:16 PM UTC
Updated: July 24, 2026 at 10:23 AM UTC
1 product affected across 1 vendorPuTTY

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Severity
LOW3.1
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

0.77 ≤ v < 0.840.77
Affected range stops below 0.84, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

3.1LOWmitre
Attack Vector
NETWORK
Complexity
HIGH
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
NONE
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusANALYZED
CWE
CWE-451

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