moos-ivp iSay up to 24.8.1 SAY_MOOS Variable os command injection

Summaryinfo

A vulnerability categorized as critical has been discovered in moos-ivp iSay up to 24.8.1. This impacts an unknown function of the component SAY_MOOS Variable Handler. The manipulation of the argument SAY_MOOS results in os command injection. This vulnerability is identified as CVE-2026-85425. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in moos-ivp iSay up to 24.8.1. It has been classified as critical. Affected is an unknown functionality of the component SAY_MOOS Variable Handler. The manipulation of the argument SAY_MOOS with an unknown input leads to a os command injection vulnerability. CWE is classifying the issue as CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

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 advisory is shared for download at github.com. This vulnerability is traded as CVE-2026-85425 since 09/03/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 09/04/2026). The MITRE ATT&CK project declares the attack technique as T1202.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

• moos-ivp

Name

• iSay

Version

• 24.8.0
• 24.8.1

CPE 2.3info

• 🔒
• 🔒

CPE 2.2info

• 🔒
• 🔒

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Discussion