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CVE-2026-39834

CVE Details​

Visit the official vulnerability details page for CVE-2026-39834 to learn more.

Initial Publication​

05/22/2026

Last Update​

07/23/2026

Third Party Dependency​

golang.org/x/crypto

NIST CVE Summary​

When writing data larger than 4GB in a single Write call on an SSH channel, an integer overflow in the internal payload size calculation caused the write loop to spin indefinitely, sending empty packets without making progress. The size comparison now uses int64 to prevent truncation.

CVE Severity​

9.1

Our Official Summary​

Investigation is ongoing to determine how this vulnerability affects our products.

Status​

Analyzed

Affected Products & Versions​

VersionPaletteAIPaletteAI VerteX
1.4.0⚠️ Impacted⚠️ Impacted
1.3.2⚠️ Impacted⚠️ Impacted
1.2.2⚠️ Impacted⚠️ Impacted

Revision History​

No revisions available.