Critical severity · published Oct 9, 2026
CVE-2026-78797
An issue in iStoreOS istoreos-24.10.7 and before allows a remote attacker to execute arbitrary code via the task_id in tasks-lib.lua
9.8
CVSS
0.8%
EPSS
No
On KEV
Description
An issue in iStoreOS istoreos-24.10.7 and before allows a remote attacker to execute arbitrary code via the task_id in tasks-lib.lua.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.8% · higher than 57% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-78797
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-78797
pastebin.com
https://pastebin.com/zFVpUjxW
fw.koolcenter.com
https://fw.koolcenter.com/iStoreOS/x86_64_efi/
doc.linkease.com
https://doc.linkease.com/zh/guide/istoreos/install_vmware.html
github.com
https://github.com/istoreos/istoreos
github.com
https://github.com/PRISMI-Team/VulnDisclos/blob/main/Routers/iStoreOS/authorized-rce.md