Is CVE-2026-0964 in the CISA KEV catalog?

No. CVE-2026-0964 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-0964?

CVE-2026-0964 has a CVSS v3 base score of 5.0 (Moderate).

What is the EPSS score for CVE-2026-0964?

CVE-2026-0964 has an EPSS score of 0.41% (33th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2026-0964?

Upgrade libssh on debian unstable to 0.12.0-1 or later. Fixes are available for 13 affected products.

CVE & CISA-KEV Catalog

CVE-2026-0964

MEDIUM

5.0

CVSS v3

NVD

Description

A malicious SCP server can send unexpected paths that could make the client application override local files outside of working directory. This could be misused to create malicious executable or configuration files and make the user execute them under specific consequences. This is the same issue as in OpenSSH, tracked as CVE-2019-6111.

CWE-22Path Traversal

How to fix

Remediation Available

libsshDebian

Fixed in:0.12.0-1CVE-2026-0964

libsshRed Hat / RHEL

Fixed in:0:0.12.0-2.el10RHSA-2026:18160

Fixed in:0:0.10.4-18.el9RHSA-2026:18683

libsshRocky

Fixed in:0:0.12.0-2.el10RHSA-2026:18160

Fixed in:0:0.10.4-18.el9RHSA-2026:18683

libssh-configRocky

Fixed in:0:0.12.0-2.el10RHSA-2026:18160

Fixed in:0:0.10.4-18.el9RHSA-2026:18683

libssh-configRed Hat / RHEL

Fixed in:0:0.12.0-2.el10RHSA-2026:18160

Fixed in:0:0.10.4-18.el9RHSA-2026:18683

libssh-debuginfoRocky

Fixed in:0:0.12.0-2.el10RHSA-2026:18160

Fixed in:0:0.10.4-18.el9RHSA-2026:18683

libssh-debuginfoRed Hat / RHEL

Fixed in:0:0.12.0-2.el10RHSA-2026:18160

Fixed in:0:0.10.4-18.el9RHSA-2026:18683

libssh-debugsourceRed Hat / RHEL

Fixed in:0:0.12.0-2.el10RHSA-2026:18160

Fixed in:0:0.10.4-18.el9RHSA-2026:18683

libssh-debugsourceRocky

Fixed in:0:0.12.0-2.el10RHSA-2026:18160

Fixed in:0:0.10.4-18.el9RHSA-2026:18683

libssh-develRocky

Fixed in:0:0.12.0-2.el10RHSA-2026:18160

Fixed in:0:0.10.4-18.el9RHSA-2026:18683

libssh-develRed Hat / RHEL

Fixed in:0:0.12.0-2.el10RHSA-2026:18160

Fixed in:0:0.10.4-18.el9RHSA-2026:18683

libsshUbuntu

Fixed in:0.6.3-4.3ubuntu0.6+esm4USN-8051-2

Fixed in:0.8.0~20170825.94fa1e38-1ubuntu0.7+esm6USN-8051-2

Fixed in:0.9.3-2ubuntu2.5+esm3USN-8051-2

Fixed in:0.9.6-2ubuntu0.22.04.6USN-8051-1

Fixed in:0.10.6-2ubuntu0.3USN-8051-1

Fixed in:0.11.2-1ubuntu0.2USN-8051-1

libssh-4Ubuntu

Fixed in:0.6.3-4.3ubuntu0.6+esm4USN-8051-2

Fixed in:0.8.0~20170825.94fa1e38-1ubuntu0.7+esm6USN-8051-2

Fixed in:0.9.3-2ubuntu2.5+esm3USN-8051-2

Fixed in:0.9.6-2ubuntu0.22.04.6USN-8051-1

Fixed in:0.10.6-2ubuntu0.3USN-8051-1

Fixed in:0.11.2-1ubuntu0.2USN-8051-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityHigh

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityLow

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L

Exploit Intelligence

0.41%probability of exploitation in 30 days

33rdpercentile

Low risk: more likely to be exploited than 33% of all known CVEs.

References

Vendor Advisory2

Release Notes1

libssh.org

Other references2

Related Vulnerabilities

Other CWE-22 (Path Traversal) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-23897	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2023-32315	High	8.6	100%	KEV	Fix
CVE-2022-29464	Critical	9.8	100%	KEV + Ransom	-
CVE-2021-26086	Medium	5.3	100%	KEV	Fix
CVE-2021-22005	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2020-5902	Critical	9.8	100%	KEV + Ransom	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-19.