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GHSA-6hf3-mhgc-cm65

MediumCVSS 6.9 / 10
Published Feb 18, 2026·Last modified Feb 20, 2026
Affected Components(0)

No affected components available

Description

Vulnerability

In some shared-agent deployments, OpenClaw session tools (sessions_list, sessions_history, sessions_send) allowed broader session targeting than some operators intended. This is primarily a configuration/visibility-scoping issue in multi-user environments where peers are not equally trusted.

In Telegram webhook mode, monitor startup also did not fall back to per-account webhookSecret when only the account-level secret was configured.

Typical Use Case Context

Most regular OpenClaw deployments run a single agent, or run in trusted environments. In those setups, practical risk from this issue is generally low.

Impact

  • Shared-agent, multi-user, less-trusted environments: session-tool access could expose transcript content across peer sessions.
  • Single-agent or trusted environments: practical impact is limited.
  • Telegram webhook mode: account-level secret wiring could be missed unless an explicit monitor webhook secret override was provided.

Affected Packages / Versions

  • Package: npm openclaw
  • Affected versions: <= 2026.2.14
  • Patched version: 2026.2.15 (planned next release)

Remediation

  • Add and enforce tools.sessions.visibility (self | tree | agent | all) across session tools, defaulting to tree.
  • Keep sandbox clamping behavior so sandboxed runs can be restricted to spawned/session-tree visibility.
  • Resolve Telegram webhook secret from account config fallback in monitor webhook startup.

Fix Commit(s)

  • c6c53437f7da033b94a01d492e904974e7bda74c

Thanks @aether-ai-agent for reporting.

Risk Scores
Base Score
6.9

The vulnerability requires local access to the device to be exploited. It is easy for an attacker to exploit this vulnerability. An attacker does not need any special privileges or access rights. No user interaction is needed for the attacker to exploit this vulnerability.

Threat Intelligence
4.6

Exploitation attempts have been detected. Elevated vigilance and prompt remediation are advised.

EPSS
0.10%

The exploit probability is very low. The vulnerability is unlikely to be exploited in the next 30 days.

Exploit
Not available

We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.

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Medium severity
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