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Vulnerability details: VCID-ns2g-q3vb-akcm
Vulnerability ID VCID-ns2g-q3vb-akcm
Aliases CVE-2026-43566
GHSA-g2hm-779g-vm32
Summary OpenClaw versions 2026.4.7 before 2026.4.14 contain a privilege escalation vulnerability where heartbeat owner downgrade logic skips webhook wake events carrying untrusted content. Attackers can exploit this by sending untrusted webhook wake events to preserve owner-like execution context when the run should have been downgraded.
Status Published
Exploitability 0.5
Weighted Severity 8.2
Risk 4.1
Affected and Fixed Packages Package Details
Weaknesses (4)
CWE-184 Incomplete List of Disallowed Inputs
CWE-863 Incorrect Authorization
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
epss 0.0016 https://api.first.org/data/v1/epss?cve=CVE-2026-43566
epss 0.0016 https://api.first.org/data/v1/epss?cve=CVE-2026-43566
epss 0.0016 https://api.first.org/data/v1/epss?cve=CVE-2026-43566
epss 0.0016 https://api.first.org/data/v1/epss?cve=CVE-2026-43566
cvssv3.1_qr MODERATE https://github.com/advisories/GHSA-g2hm-779g-vm32
cvssv3.1 9.1 https://github.com/openclaw/openclaw
cvssv4 6.0 https://github.com/openclaw/openclaw
generic_textual MODERATE https://github.com/openclaw/openclaw
cvssv3.1 9.1 https://github.com/openclaw/openclaw/commit/31281bc92f55796817a92bc43f722cba1e77ab42
cvssv4 6.0 https://github.com/openclaw/openclaw/commit/31281bc92f55796817a92bc43f722cba1e77ab42
cvssv4 9.1 https://github.com/openclaw/openclaw/commit/31281bc92f55796817a92bc43f722cba1e77ab42
generic_textual MODERATE https://github.com/openclaw/openclaw/commit/31281bc92f55796817a92bc43f722cba1e77ab42
ssvc Track https://github.com/openclaw/openclaw/commit/31281bc92f55796817a92bc43f722cba1e77ab42
cvssv3.1 9.1 https://github.com/openclaw/openclaw/pull/66031
cvssv4 6.0 https://github.com/openclaw/openclaw/pull/66031
generic_textual MODERATE https://github.com/openclaw/openclaw/pull/66031
cvssv3.1 9.1 https://github.com/openclaw/openclaw/security/advisories/GHSA-g2hm-779g-vm32
cvssv3.1_qr MODERATE https://github.com/openclaw/openclaw/security/advisories/GHSA-g2hm-779g-vm32
cvssv4 6.0 https://github.com/openclaw/openclaw/security/advisories/GHSA-g2hm-779g-vm32
cvssv4 9.1 https://github.com/openclaw/openclaw/security/advisories/GHSA-g2hm-779g-vm32
generic_textual MODERATE https://github.com/openclaw/openclaw/security/advisories/GHSA-g2hm-779g-vm32
ssvc Track https://github.com/openclaw/openclaw/security/advisories/GHSA-g2hm-779g-vm32
cvssv3.1 9.1 https://nvd.nist.gov/vuln/detail/CVE-2026-43566
cvssv4 6.0 https://nvd.nist.gov/vuln/detail/CVE-2026-43566
generic_textual MODERATE https://nvd.nist.gov/vuln/detail/CVE-2026-43566
cvssv3.1 9.1 https://www.vulncheck.com/advisories/openclaw-privilege-escalation-via-untrusted-webhook-wake-events
cvssv4 6.0 https://www.vulncheck.com/advisories/openclaw-privilege-escalation-via-untrusted-webhook-wake-events
cvssv4 9.1 https://www.vulncheck.com/advisories/openclaw-privilege-escalation-via-untrusted-webhook-wake-events
generic_textual MODERATE https://www.vulncheck.com/advisories/openclaw-privilege-escalation-via-untrusted-webhook-wake-events
ssvc Track https://www.vulncheck.com/advisories/openclaw-privilege-escalation-via-untrusted-webhook-wake-events
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2026-43566
https://github.com/openclaw/openclaw
https://github.com/openclaw/openclaw/pull/66031
https://nvd.nist.gov/vuln/detail/CVE-2026-43566
31281bc92f55796817a92bc43f722cba1e77ab42 https://github.com/openclaw/openclaw/commit/31281bc92f55796817a92bc43f722cba1e77ab42
GHSA-g2hm-779g-vm32 https://github.com/advisories/GHSA-g2hm-779g-vm32
GHSA-g2hm-779g-vm32 https://github.com/openclaw/openclaw/security/advisories/GHSA-g2hm-779g-vm32
openclaw-privilege-escalation-via-untrusted-webhook-wake-events https://www.vulncheck.com/advisories/openclaw-privilege-escalation-via-untrusted-webhook-wake-events
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N Found at https://github.com/openclaw/openclaw
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N Found at https://github.com/openclaw/openclaw
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

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present

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passive

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N Found at https://github.com/openclaw/openclaw/commit/31281bc92f55796817a92bc43f722cba1e77ab42
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

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required

unchanged

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Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N Found at https://github.com/openclaw/openclaw/commit/31281bc92f55796817a92bc43f722cba1e77ab42
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

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physical

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passive

active

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Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N Found at https://github.com/openclaw/openclaw/commit/31281bc92f55796817a92bc43f722cba1e77ab42
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

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none

present

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passive

active

high

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none

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Vector: SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2026-05-05T14:28:26Z/ Found at https://github.com/openclaw/openclaw/commit/31281bc92f55796817a92bc43f722cba1e77ab42
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N Found at https://github.com/openclaw/openclaw/pull/66031
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N Found at https://github.com/openclaw/openclaw/pull/66031
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

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passive

active

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N Found at https://github.com/openclaw/openclaw/security/advisories/GHSA-g2hm-779g-vm32
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

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Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N Found at https://github.com/openclaw/openclaw/security/advisories/GHSA-g2hm-779g-vm32
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

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none

passive

active

high

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none

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Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N Found at https://github.com/openclaw/openclaw/security/advisories/GHSA-g2hm-779g-vm32
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

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passive

active

high

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none

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Vector: SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2026-05-05T14:28:26Z/ Found at https://github.com/openclaw/openclaw/security/advisories/GHSA-g2hm-779g-vm32
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2026-43566
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N Found at https://nvd.nist.gov/vuln/detail/CVE-2026-43566
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

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low

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low

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N Found at https://www.vulncheck.com/advisories/openclaw-privilege-escalation-via-untrusted-webhook-wake-events
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N Found at https://www.vulncheck.com/advisories/openclaw-privilege-escalation-via-untrusted-webhook-wake-events
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: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N Found at https://www.vulncheck.com/advisories/openclaw-privilege-escalation-via-untrusted-webhook-wake-events
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:Y/T:P/P:M/B:A/M:M/D:T/2026-05-05T14:28:26Z/ Found at https://www.vulncheck.com/advisories/openclaw-privilege-escalation-via-untrusted-webhook-wake-events
Exploit Prediction Scoring System (EPSS)
Percentile 0.36698
EPSS Score 0.0016
Published At June 11, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-06-11T16:41:20.051212+00:00 Vulnrichment Import https://github.com/cisagov/vulnrichment/blob/develop/2026/43xxx/CVE-2026-43566.json 38.6.0