CVE-2026-27646 | OpenClaw up to 2026.3.6 /acp authorization (GHSA-9q36-67vc-rrwg)
VulDBArchived Mar 24, 2026✓ Full text saved
A vulnerability categorized as problematic has been discovered in OpenClaw up to 2026.3.6 . Impacted is an unknown function of the file /acp . Executing a manipulation can lead to incorrect authorization. The identification of this vulnerability is CVE-2026-27646 . The attack can only be executed locally. There is no exploit available. It is advisable to upgrade the affected component.
Full text archived locally
✦ AI Summary· Claude Sonnet
VDB-352655 · CVE-2026-27646 · GHSA-9Q36-67VC-RRWG
OPENCLAW UP TO 2026.3.6 /ACP AUTHORIZATION
HISTORYDIFFRELATEJSONXMLCTI
CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score
4.8 $0-$5k 2.51+
Summaryinfo
A vulnerability identified as problematic has been detected in OpenClaw up to 2026.3.6. The affected element is an unknown function of the file /acp. The manipulation leads to authorization. This vulnerability is referenced as CVE-2026-27646. The attack can only be performed from a local environment. No exploit is available. You should upgrade the affected component.
Detailsinfo
A vulnerability was found in OpenClaw up to 2026.3.6. It has been rated as problematic. This issue affects some unknown functionality of the file /acp. The manipulation with an unknown input leads to a authorization vulnerability. Using CWE to declare the problem leads to CWE-863. The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check. This allows attackers to bypass intended access restrictions. Impacted is confidentiality, integrity, and availability. The summary by CVE is:
OpenClaw versions prior to 2026.3.7 contain a sandbox escape vulnerability in the /acp spawn command that allows authorized sandboxed sessions to initialize host-side ACP runtime. Attackers can bypass sandbox restrictions by invoking the /acp spawn slash-command to cross from sandboxed chat context into host-side ACP session initialization when ACP is enabled.
It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2026-27646 since 02/22/2026. The exploitation is known to be difficult. Attacking locally is a requirement. Technical details of the vulnerability are known, but there is no available exploit.
Upgrading to version 2026.3.7 eliminates this vulnerability. Applying the patch 61000b8e4ded919ca1a825d4700db4cb3fdc56e3 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.
Productinfo
Type
Artificial Intelligence Software
Name
OpenClaw
Version
2026.3.0
2026.3.1
2026.3.2
2026.3.3
2026.3.4
2026.3.5
2026.3.6
License
open-source
Website
Product: https://github.com/openclaw/openclaw/
CPE 2.3info
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CPE 2.2info
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CVSSv4info
VulDB Vector: 🔒
VulDB Reliability: 🔍
CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒
CVSSv3info
VulDB Meta Base Score: 4.9
VulDB Meta Temp Score: 4.8
VulDB Base Score: 4.5
VulDB Temp Score: 4.3
VulDB Vector: 🔒
VulDB Reliability: 🔍
CNA Base Score: 5.3
CNA Vector (VulnCheck): 🔒
CVSSv2info
Vector Complexity Authentication Confidentiality Integrity Availability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploitinginfo
Class: Authorization
CWE: CWE-863 / CWE-285 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒
Physical: Partially
Local: Yes
Remote: No
Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒
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Threat Intelligenceinfo
Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍
Countermeasuresinfo
Recommended: Upgrade
Status: 🔍
0-Day Time: 🔒
Upgrade: OpenClaw 2026.3.7
Patch: 61000b8e4ded919ca1a825d4700db4cb3fdc56e3
Timelineinfo
02/22/2026 CVE reserved
03/24/2026 +30 days Advisory disclosed
03/24/2026 +0 days VulDB entry created
03/24/2026 +0 days VulDB entry last update
Sourcesinfo
Product: github.com
Advisory: GHSA-9q36-67vc-rrwg
Status: Confirmed
CVE: CVE-2026-27646 (🔒)
GCVE (CVE): GCVE-0-2026-27646
GCVE (VulDB): GCVE-100-352655
Entryinfo
Created: 03/24/2026 02:58
Changes: 03/24/2026 02:58 (43), 03/24/2026 02:59 (35)
Complete: 🔍
Cache ID: 99:4ED:101
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