CVE-2026-85425CWE-78command-injection

CVE-2026-85425

Critical · published September 4, 2026

CVSS v3.1
9.8
EPSS
2%
Percentile
78.1
In the wild
Unconfirmed
What it is

MOOS-IvP iSay through 24.8.1 contains a remote code execution vulnerability in the SAY_MOOS variable handler that passes unsanitized text to a shell command. Attackers can publish SAY_MOOS messages containing backticks or command substitution syntax to execute arbitrary commands as the iSay process user.

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
9.3 · CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
EPSS
0.01778 · 78.1th percentile
Weakness
CWE-78 · Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Published
2026-09-04T03:17Z
Affected products (1)
ProductVersionsFixed in
mit/moos-ivp≤ 24.8.1—
References (5)
https://github.com/moos-ivp/moos-ivp · [email protected]https://github.com/moos-ivp/moos-ivp/blob/1de9ae146cd63c209e8c3fd81611a4ed2472971b/ivp/src/iSay/Sayer.cpp#L416 · [email protected]https://github.com/moos-ivp/moos-ivp/commit/ed3a44131fd3e5528602f20adc37ba82273c1cd8 · [email protected]https://github.com/moos-ivp/moos-ivp/pull/120 · [email protected]https://www.vulncheck.com/advisories/moos-ivp-through-24.8.1-isay-command-injection-via-say-moos · [email protected]
EPSS history
Timeline
  • 05 SEP 03:44Z
    EPSS moved — → 1%
    epss
  • 03 SEP 22:38Z
    MOOS-IvP through 24.8.1 iSay Command Injection via SAY_MOOS
    cvelistv5