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CVE WatchJul 16, 2026

CVE-2026-39830

A malicious SSH peer could send unsolicited global request responses to fill an internal buffer, blocking the connection's read loop. The bl

CVSS

9.1

Critical

EPSS

0.5%

p41

KEV

—

Exploit Today

12

0-100

Published: May 22, 2026 · Last modified: Jul 16, 2026 · CWE-119 · CWE-772

EPSS · 30d
0.5%EPSS · 30 days0.5%
2026-06-302026-07-16
Technical description

A malicious SSH peer could send unsolicited global request responses to fill an internal buffer, blocking the connection's read loop. The blocked goroutine could not be released by calling Close(), resulting in a resource leak per connection. Unsolicited global responses are now discarded.

Official references
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