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CISA Malcolm
<p><a href="https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-230-01.json"><strong>View CSAF</strong></a></p> <h2>Summary</h2> <p><strong>Successful exploitation of these vulnerabilities could allow an attacker to cause a denial-of-service condition or execute arbitrary code.</strong></p> <p>The following versions of CISA Malcolm are affected:</p> <ul> <li>Malcolm <2
MITRE ATT&CK techniques
Indicators of compromise
- CVE-2026-55676cve
- CVE-2026-63133cve
- CVE-2026-63134cve
- CVE-2026-63177cve
- CVE-2026-19670cve
- CVE-2026-19671cve
- https://www.cve.org/CVERecord?id=CVE-2026-63133url
- https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:Hurl
- https://www.first.org/cvss/calculator/4.0#CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:Nurl
- https://www.cve.org/CVERecord?id=CVE-2026-63134url
- https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:Lurl
- https://www.first.org/cvss/calculator/4.0#CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:Nurl
- https://www.cve.org/CVERecord?id=CVE-2026-55676url
- https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hurl
- https://www.first.org/cvss/calculator/4.0#CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:Nurl
- https://www.cve.org/CVERecord?id=CVE-2026-63177url
- https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:Nurl
- https://www.first.org/cvss/calculator/4.0#CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:N/SC:L/SI:L/SA:Lurl
- https://www.cve.org/CVERecord?id=CVE-2026-19670url
- https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:Nurl
- https://www.first.org/cvss/calculator/4.0#CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:Nurl
- https://www.cve.org/CVERecord?id=CVE-2026-19671url
Original source: https://www.cisa.gov/news-events/ics-advisories/icsa-26-230-01
Same event, other sources
- CISA Malcolmcisa_advisories · 2026-08-18