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(0Day) Ashlar-Vellum Cobalt XE File Parsing Stack-based Buffer Overflow Remote Code Execution Vulnerability

🗓️ 04 Nov 2026 00:00:00Reported by Rocco Calvi (@TecR0c) with TecSecurityType 
zdi
 zdi
🔗 www.zerodayinitiative.com👁 5 Views

Remote code execution in Ashlar-Vellum Cobalt via stack-based buffer overflow in XE parsing.

Related
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-121744
4 Nov 202600:00
–cve
ptsecurity
Positive Technologies
PT-2026-136988
4 Nov 202600:00
–ptsecurity

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04 Nov 2026 00:00Current
7High risk
Vulners AI Score7
CVSS 37.8
5