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NVD Vulnerability Details :

CVE-2026-35387

Analyzed

Source-cve@mitre.org

Published At-02 Apr, 2026 | 17:16

Updated At-27 Apr, 2026 | 14:05

OpenSSH before 10.3 can use unintended ECDSA algorithms. Listing of any ECDSA algorithm in PubkeyAcceptedAlgorithms or HostbasedAcceptedAlgorithms is misinterpreted to mean all ECDSA algorithms.

Date Added	Due Date	Vulnerability Name	Required Action
	N/A

Metrics

Type	Version	Base score	Base severity	Vector
Secondary	3.1	3.1	LOW	CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N
Primary	3.1	6.5	MEDIUM	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N

Type: Secondary

Version: 3.1

Base score: 3.1

Base severity: LOW

Vector:

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

Type: Primary

Version: 3.1

Base score: 6.5

Base severity: MEDIUM

Vector:

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

CPE Matches

OpenBSD

>>openssh>>Versions before 10.3(exclusive)

cpe:2.3:a:openbsd:openssh:*:*:*:*:*:*:*:*

Weaknesses

CWE ID	Type	Source
CWE-670	Primary	cve@mitre.org

CWE ID: CWE-670

Type: Primary

Source: cve@mitre.org

References

Hyperlink	Source	Resource
https://marc.info/?l=openssh-unix-dev&m=177513443901484&w=2	cve@mitre.org	Third Party Advisory
https://www.openssh.org/releasenotes.html#10.3p1	cve@mitre.org	Release Notes
https://www.openwall.com/lists/oss-security/2026/04/02/3	cve@mitre.org	Third Party Advisory

Hyperlink: https://marc.info/?l=openssh-unix-dev&m=177513443901484&w=2

Source: cve@mitre.org

Resource:

Third Party Advisory

Hyperlink: https://www.openssh.org/releasenotes.html#10.3p1

Source: cve@mitre.org

Resource:

Release Notes

Hyperlink: https://www.openwall.com/lists/oss-security/2026/04/02/3

Source: cve@mitre.org

Resource:

Third Party Advisory

CISA Catalog

Metrics

CPE Matches

Weaknesses

Evaluator Description

Evaluator Impact

Evaluator Solution

Vendor Statements

References

Change History