What’s Vulnerable › Vulnerabilities

CVE-2026-77375: SFTPGo: Denial of service via malformed SSH channel request

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-13 · updated 2026-10-13
• Weakness: CWE-129

Description

SFTPGo is an open source, event-driven file transfer solution. Prior to 2.7.5, an authenticated SSH user can send a malformed protocol message while opening a channel, causing an unhandled error that terminates the server process and affects all connected users until restart. No confidentiality or integrity impact has been identified. This issue is fixed in 2.7.5.

Affected products

• drakkan sftpgo: before 2.7.5

References

• https://github.com/drakkan/sftpgo/commit/4f751232d7025cf2f7360e01ee8dca81e74b48b0
• https://github.com/drakkan/sftpgo/releases/tag/v2.7.5
• https://github.com/drakkan/sftpgo/security/advisories/GHSA-q7pc-356p-hggc

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