AntiMalware•July 13, 2026•🇷🇺Translated from Russian

OpenClaw AI Assistant Compromised via WhatsApp: Three Critical Vulnerabilities Allowed Credential Theft, Sandbox Escape, and Arbitrary Code Execution on Host

Security researchers have disclosed three serious vulnerabilities in OpenClaw that could allow attackers to steal credentials, escalate privileges, and execute arbitrary code on systems running the AI assistant. The flaws affected both home users and corporate deployments, highlighting risks associated with insufficient input validation and sandbox isolation in AI tooling.

Command Filtering Failures (CVSS 8.8)

Two of the vulnerabilities received a CVSS score of 8.8. They were caused by incomplete command filtering mechanisms that did not block all malicious inputs. As a result, an attacker could inject system commands into contexts where they should have been prohibited, enabling unauthorized actions ranging from data exfiltration to privilege escalation.

Sandbox Bypass via Directory Mounting (CVSS 8.4)

The third vulnerability, rated 8.4, allowed attackers to circumvent sandbox restrictions by mounting parent directories. Although OpenClaw blocked direct access to sensitive folders such as ~/.ssh, ~/.aws, and ~/.gnupg, it could still permit mounting of the entire /home directory. This effectively placed SSH keys, cloud tokens, and GPG secrets directly accessible to the attacker.

Further escalation was possible through the /var directory, which could grant access to the Docker socket and enable escape from the sandbox directly onto the host system. Researcher Chinmohan Nayak demonstrated that the attack could be initiated remotely via an external message sent through WhatsApp (owned by Meta, designated as extremist and banned in Russia) without requiring any prior foothold on the target machine.

Impact and Recommendations

In the worst-case scenario, an attacker could exfiltrate sensitive data, establish persistence, and execute arbitrary code on the victim’s machine. Developers addressed all three issues in OpenClaw 2026.6.6. Users are strongly advised to:

  • Update to the latest version immediately
  • Enable sandboxing for all secondary sessions
  • Remove exec from the list of allowed tools
  • Narrow the list of trusted communication channels to the minimum necessary

These measures significantly reduce the attack surface and help prevent similar exploitation attempts in the future.

Related articles

Security NEXT•Vulnerabilities & Exploits

GitLab Issues Critical Patches for CVE-2026-110264 Affecting Wide Range of Versions

GitLab has released emergency security updates to address multiple vulnerabilities, including one rated critical that allows unauthenticated remote code execution. The flaw, tracked as CVE-2026-110264, stems from an integer overflow in the regular expression compiler and carries a maximum CVSSv3.1 base score of 10.0. It impacts GitLab Community Edition and Enterprise Edition starting from version 7.0, with patches now available for both current and older branches. The company strongly urges immediate updates due to the severity and potential for arbitrary code execution on affected servers. Additional lower-severity issues were also resolved in the same release cycle.

Hispasec•Vulnerabilities & Exploits

PHP Issues Emergency Patches for Critical PHP2Shell RCE Flaws as Exploit Attempts Emerge

PHP has released urgent patches for two critical vulnerabilities collectively known as PHP2Shell that enable unauthenticated remote code execution on affected servers. The flaws, tracked as CVE-2026-109618 and CVE-2026-109619, score 9.2 on CVSS v4.0 and have already seen active exploitation attempts with malicious payloads adjusted to bypass WAF rules. The issues affect multiple PHP deployment methods including Apache with mod_php, PHP-FPM, php-cgi, FrankenPHP, and LiteSpeed, and do not require complex application code to be exploitable. CVE-2026-109618 involves a memory corruption chain leading to code execution under the web process privileges, while CVE-2026-109619 stems from an obsolete global state issue causing use-after-free conditions that can result in memory disclosure and code execution. Patched versions include PHP 8.5.12, 8.4.27, 8.3.36, and 8.2.35, with administrators advised to restart all persistent workers after updating. Temporary mitigations such as setting memory_limit to -1 and disabling session.upload_progress.enabled are available for environments that cannot patch immediately.

Security NEXT•Vulnerabilities & Exploits

Two Critical RCE Vulnerabilities Patched in PHP with CVSS 9.2 Scores

The PHP development team has disclosed two severe remote code execution vulnerabilities affecting the widely used scripting language. Both issues, tracked as CVE-2026-109618 and CVE-2026-109619, received a CVSSv4.0 base score of 9.2 and were rated Critical. The flaws stem from improper memory handling during request processing and cleanup phases. Exploitation could allow attackers to execute arbitrary code by manipulating uninitialized or residual data in worker processes. Security updates addressing both vulnerabilities were released on October 21, 2026, and users are strongly urged to apply the patches immediately. The advisories were previewed the previous day, highlighting the urgency of the fixes.

BoletimSec•Vulnerabilities & Exploits

Critical PHP Core Flaws Enable Unauthenticated Remote Code Execution

The PHP project released emergency patches on October 21 for two critical vulnerabilities in the language core, tracked as CVE-2026-109618 and CVE-2026-109619 and collectively referred to as PHP2Shell. Both issues received a CVSS 4.0 score of 9.2 and allow remote code execution without authentication. CVE-2026-109618 resides in memory-handling routines where longjmp can leave request data partially initialized, and subsequent shutdown operates on invalid data; multipart requests with many headers or empty file fields can trigger the condition. CVE-2026-109619 affects an obsolete global state in long-lived workers that retain references to freed memory, with confirmed paths involving fatal errors, error reporting data, and session upload progress. Researchers demonstrated unauthenticated code execution over HTTP against the first flaw on Apache with mod_php using default limits, while PHP-FPM exposure was identified through code analysis. The FBI Cyber Division issued an alert urging immediate updates, and Cloudflare deployed WAF rules while confirming early attacks in the wild.