Advisory details:
github_osv / GHSA-6hf3-mhgc-cm65
| Advisory ID | github_osv/GHSA-6hf3-mhgc-cm65 |
| Aliases |
CVE-2026-27004
|
| Summary | OpenClaw session tool visibility hardening and Telegram webhook secret fallback ## 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. |
| Status | Published |
| Exploitability | 0.5 |
| Weighted Severity | 6.2 |
| Risk | 3.1 |
| Affected and Fixed Packages | Package Details |
| Introduced and Fixed Package Commit Patches | Package Commit Patches Details |
| System | Score | Found at |
|---|---|---|
| cvssv4 | 6.9 | https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/02/GHSA-6hf3-mhgc-cm65/GHSA-6hf3-mhgc-cm65.json |
| generic_textual | MODERATE |
| Reference id | Reference type | URL |
|---|---|---|
| https://github.com/openclaw/openclaw | ||
| https://github.com/openclaw/openclaw/commit/c6c53437f7da033b94a01d492e904974e7bda74c | ||
| CVE-2026-27004 | https://nvd.nist.gov/vuln/detail/CVE-2026-27004 | |
| GHSA-6hf3-mhgc-cm65 | https://github.com/openclaw/openclaw/security/advisories/GHSA-6hf3-mhgc-cm65 |
No EPSS data available for this advisory.
| Patch URL | |
|---|---|
| There are no known patches. | |
| Attack Vector (AV) | Attack Complexity (AC) | Attack Requirements (AT) | Privileges Required (PR) | User Interaction (UI) | Vulnerable System Impact Confidentiality (VC) | Vulnerable System Impact Integrity (VI) | Vulnerable System Impact Availability (VA) | Subsequent System Impact Confidentiality (SC) | Subsequent System Impact Integrity (SI) | Subsequent System Impact Availability (SA) |
|---|---|---|---|---|---|---|---|---|---|---|
network adjacent local physical |
low high |
none present |
none low high |
none passive active |
high low none |
high low none |
high low none |
high low none |
high low none |
high low none |
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-02-20T15:26:55Z/
Decision: Track
Source URL: https://github.com/cisagov/vulnrichment/blob/develop/2026/27xxx/CVE-2026-27004.json
Source Advisory: vulnrichment/CVE-2026-27004
[{'Exploitation': 'none'},
{'Automatable': 'no'},
{'Technical Impact': 'partial'},
{'Mission Prevalence': 'minimal'},
{'Public Well-being Impact': 'material'},
{'Mission & Well-being': 'medium'}]