CVE-2026-32898
mediumpriority · track · 0OT risk · elevatedEPSS 0.003 · 18 %ileDEEUUSEPSS · scored 2026-10-27
OpenClaw versions prior to 2026.2.23 contain an authorization bypass vulnerability in the ACP client that auto-approves tool calls based on untrusted toolCall.kind metadata and permissive name heuristics. Attackers can bypass interactive approval prompts for read-class operations by spoofing tool metadata or using non-core read-like names to reach auto-approve paths.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 1.3–5.4
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (4)
Products and version ranges known to be affected.
advisories (2)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2026-0542OpenClaw: Mehrere SchwachstellenDeutsch2026-02-25csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in OpenClaw ausnutzen, um Dateien zu manipulieren, um Informationen offenzulegen, und um Sicherheitsvorkehrungen zu umgehen.
- GHSA-7jx5-9fjg-hp4mOpenClaw ACP client has permission auto-approval bypass via untrusted tool metadata2026-02-27ghsa · osvUS
## Vulnerability Summary The OpenClaw ACP client could auto-approve tool calls based on untrusted metadata and permissive name heuristics. A malicious or compromised ACP tool invocation could bypass expected interactive approval prompts for read-class operations. ## Affected Packages / Versions - Package: npm `openclaw` - Affected published versions: `<= 2026.2.22-2` (latest published as of February 24, 2026 is `2026.2.22-2`) - Patched in code on `main`: `2026.2.23` (released) ## Technical Details - Permission classification trusted incoming `toolCall.kind` and heuristic name matching. - Non-core read-like names and spoofed kind metadata could reach auto-approve paths. - `read` operations were not scoped strongly enough to cwd in all metadata/title forms. ## Fix - Require trusted core tool IDs for auto-approval and ignore untrusted `toolCall.kind` as an authorization source. - Scope `read` auto-approval to cwd-resolved paths. - Add stricter tool-name validation and regression coverage for spoofed kind and non-core read-like names. ## Affected Functions - `resolvePermissionRequest` - `resolveToolNameForPermission` - `shouldAutoApproveToolCall` ## Fix Commit(s) - `12cc754332f9a7c92e158ce7644aa22df79c0904` - `63dcd28ae0be2de1c75af09cc81841cebeec068f` Found using [MCPwner](https://github.com/Pigyon/MCPwner) Thanks @nedlir for reporting.
also known as (3)
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sources
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references (13)
External citations — patches, advisories, analysis.
- https://github.com/openclaw/openclaw/commit/12cc754332f9a7c92e158ce7644aa22df79c0904cnnvd
- https://github.com/openclaw/openclaw/commit/63dcd28ae0be2de1c75af09cc81841cebeec068fcnnvd
- https://github.com/openclaw/openclaw/releasesPatchcnnvd
- https://github.com/openclaw/openclaw/security/advisories/GHSA-7jx5-9fjg-hp4mcnnvd
- https://www.vulncheck.com/advisories/openclaw-acp-permission-auto-approval-bypass-via-untrusted-tool-metadatacnnvd
- https://github.com/openclaw/openclaw/commit/12cc754332f9a7c92e158ce7644aa22df79c0904enisa_euvd
- https://github.com/openclaw/openclaw/commit/63dcd28ae0be2de1c75af09cc81841cebeec068fenisa_euvd
- https://github.com/openclaw/openclaw/security/advisories/GHSA-7jx5-9fjg-hp4menisa_euvd
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