by Kastro
Paper/Archive/CVE-2026-104989

CVE-2026-104989

Chaos Software V-Ray Swarm — Pre-authentication remote code execution in Chaos V-Ray Swarm

CVSS 9.3
critical.is priorityof 100
28
CVSS 9.3 (CNA)9.3 / 10 × 3027.9Not in CISA KEV+300.0No EPSS score.000 × 200.0No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

Uncontrolled search path element in package upload feature in Chaos Software V-Ray versions through 2.0.19 allows remote unauthenticated attackers to execute arbitrary code via redirecting access to libraries

Affected

ProductAffectedFixed inSource
V-Ray Swarm≤ 2.0.19–CNA

Scores by source

Mandiant (CNA)9.3CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

writeupgithub.com/mandiant/Vulnerability-Disclosures/blob/master/2026/MNDT-2026-0043.mdadvisorydocumentation.chaos.com/space/VRAYSWARM/1430814721/2.0.21