9.8

CVE-2026-85425: mit moos-ivp OS Command Injection

CVSS: 9.8v3.1CriticalAnalyzed
Published 03-09-2026Last modified 04-09-2026
Open JSON

Vulnerability summary

CVE-2026-85425 is a critical (CVSS 9.8) OS Command Injection vulnerability in mit moos-ivp. EPSS estimates a 1.78% chance of exploitation in the next 30 days, higher than 77.9% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (CVE.org)
EPSS score
1.78%
0%100%
Low · +0.82 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 03-09-2026
    PublishedVulnerability first disclosed.
  2. 04-09-2026
    Last modifiedVulnerability information updated.

Description

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.

CVSS metrics

4 scores · 2 sources · 2 versions

EPSS trend

Probability

1.78%

Chance of exploitation in the next 30 days

Percentile

78%

Versus all other CVEs

30-day change

+0.82 pp

From 0.96% on 20-09-2026

20-09-202620-10-2026
EPSS score
1.78%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Mit1 product
Moos-ivp1 product

2 vendors · 2 products

References

5 links