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CVE-2026-48851

3.1 LOW

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 pr...

Published: 2026-05-25 · Last updated: 2026-05-27

Severity and scoring

CVSS
3.1 LOW
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N
CWE
CWE-451

Affected products

VendorProduct
puttyputty

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.

Source: NVD

References

Related CVEs

Same vendor

  • CVE-2026-48852 — PuTTY 0.71 before 0.84 has an assertion failure in ECDSA signature verification (3.7 LOW)
  • CVE-2026-48850 — PuTTY 0.72 before 0.84 has a double free in RSA KEX (3.7 LOW)
  • CVE-2026-4115 — A vulnerability was detected in PuTTY 0.83 (3.7 LOW)

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