Libssh
48 CVEs tracked. None of them is in CISA KEV.
This hub aggregates every CVE we track for Libssh, a product in the oss libraries space. Use it to gauge the current risk picture and drill into individual advisories.
Libssh CVEs per month
| Month | CVEs |
|---|---|
| 2024-10 | 0 |
| 2024-11 | 0 |
| 2024-12 | 0 |
| 2025-01 | 0 |
| 2025-02 | 0 |
| 2025-03 | 0 |
| 2025-04 | 0 |
| 2025-05 | 0 |
| 2025-06 | 1 |
| 2025-07 | 6 |
| 2025-08 | 1 |
| 2025-09 | 1 |
| 2025-10 | 0 |
| 2025-11 | 0 |
| 2025-12 | 0 |
| 2026-01 | 0 |
| 2026-02 | 0 |
| 2026-03 | 6 |
| 2026-04 | 1 |
| 2026-05 | 0 |
| 2026-06 | 0 |
| 2026-07 | 11 |
| 2026-08 | 0 |
| 2026-09 | 0 |
Severity
How the 48 CVEs score on CVSS. Severity is not exploitation: KEV is counted above.
- Critical1
- High9
- Medium28
- Low10
Latest CVEs
The 15 most recently published vulnerabilities affecting Libssh.
- CVE-2026-59851Libssh: libssh: authentication bypass via missing gssapi principal check8.8
- CVE-2026-59850Libssh: libssh: use-after-free via data callbacks on closed channels4.3
- CVE-2026-59849Libssh: libssh: denial of service via automatic certificate authentication loop3.1
- CVE-2026-59848Libssh: libssh: denial of service via sftp responses with unknown request ids5.3
- CVE-2026-59847Libssh: libssh: integrity downgrade via openssl aes-gcm tag verification5.9
- CVE-2026-59846Libssh: libssh: information disclosure via proxycommand %r username expansion3.9
- CVE-2026-59844Libssh: libssh: denial of service via oversized sftp read length6.5
- CVE-2026-59845Libssh: libssh: denial of service via unchecked proxycommand fork() failure5.3
- CVE-2026-59843Libssh: libssh: denial of service via zero advertised channel packet size6.5
- CVE-2026-59842Libssh: libssh: information disclosure via short gssapi curve25519 public key3.7
- CVE-2026-15370Libssh: libssh: stack buffer overflow in sftp server longname construction6.7
- CVE-2025-14821Libssh: libssh: insecure default configuration leads to local man-in-the-middle attacks on windows7.8
- CVE-2026-0965Libssh: libssh: denial of service via improper configuration file handling3.3
- CVE-2026-0967Libssh: libssh: denial of service via inefficient regular expression processing5.5
- CVE-2026-0968Libssh: libssh: denial of service due to malformed sftp message3.1
Product grouping is registry-driven, with AI assist and human review. How it works