Bug 2481289 (CVE-2026-48851)

Summary: CVE-2026-48851 PuTTY: TELNET session data is marked with trust sigils after authenticating to a proxy
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
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Priority: low    
Version: unspecifiedKeywords: Security
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Hardware: All   
OS: Linux   
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Bug Depends On: 2481659, 2481660    
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Description OSIDB Bzimport 2026-05-25 21:01:19 UTC
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.