Critical severity · published Feb 27, 2026
CVE-2026-1626
An attacker may exploit the use of weak CBC-based cipher suites in the device’s SSH service to potentially observe or manipulate parts of the encrypted SSH communication, if they…
9.1
CVSS
0.2%
EPSS
No
On KEV
Description
An attacker may exploit the use of weak CBC-based cipher suites in the device’s SSH service to potentially observe or manipulate parts of the encrypted SSH communication, if they are able to intercept or interact with the network traffic.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 15% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SL
SICK LMS1000 · SICK AG
through <=2.4.0 · source: vendor
SM
SICK MRS1000 · SICK AG
through <=2.4.0 · source: vendor
LF
Lms1000 Firmware · Sick
before 2.4.1 · source: NVD
MF
Mrs1000 Firmware · Sick
before 2.4.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-1626
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-1626
Vendor Advisory
https://sick.com/psirt
US Government Resource
https://www.cisa.gov/resources-tools/resources/ics-recommended-practices
Not Applicable
https://www.first.org/cvss/calculator/3.1
Vendor Advisory
https://www.sick.com/.well-known/csaf/white/2026/sca-2026-0005.json
Vendor Advisory
https://www.sick.com/.well-known/csaf/white/2026/sca-2026-0005.pdf
Vendor Advisory
https://www.sick.com/media/docs/9/19/719/special_information_sick_operating_guidelines_cybersecurity_by_sick_en_im0106719.pdf
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