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Vulnerability details: VCID-wyat-1259-2kg9
Vulnerability ID VCID-wyat-1259-2kg9
Aliases CVE-2026-43532
GHSA-c9h3-5p7r-mrjh
Summary OpenClaw: Discord event cover images bypassed sandbox media normalization ## Summary Discord event cover images bypassed sandbox media normalization. ## Affected Packages / Versions - Package: `openclaw` - Ecosystem: npm - Affected versions: `>= 2026.4.7 < 2026.4.10` - Patched versions: `>= 2026.4.10` ## Impact Discord event cover image parameters could bypass the sandbox media normalization path used for outbound local media, allowing host-local media references to reach a channel action path that expected normalized media. ## Technical Details The fix includes Discord `eventCreate.image` in sandbox media normalization and adds coverage for the event-create media path. ## Fix The issue was fixed in #64377. The first stable tag containing the fix is `v2026.4.10`, and `openclaw@2026.4.14` includes the fix. ## Fix Commit(s) - `979c6f09d6fad96596feb91c905934be7e0b4f15` - PR: #64377 ## Release Process Note Users should upgrade to `openclaw` 2026.4.10 or newer. The latest npm release, `2026.4.14`, already includes the fix. ## Credits Thanks to @zsxsoft, with sponsorship from @KeenSecurityLab and @qclawer for reporting this issue.
Status Published
Exploitability 0.5
Weighted Severity 6.9
Risk 3.5
Affected and Fixed Packages Package Details
Weaknesses (4)
CWE-184 Incomplete List of Disallowed Inputs
CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
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 0.00044 https://api.first.org/data/v1/epss?cve=CVE-2026-43532
epss 0.00051 https://api.first.org/data/v1/epss?cve=CVE-2026-43532
epss 0.00051 https://api.first.org/data/v1/epss?cve=CVE-2026-43532
cvssv3.1_qr MODERATE https://github.com/advisories/GHSA-c9h3-5p7r-mrjh
cvssv3.1 7.7 https://github.com/openclaw/openclaw
cvssv4 5.3 https://github.com/openclaw/openclaw
generic_textual MODERATE https://github.com/openclaw/openclaw
cvssv3.1 7.7 https://github.com/openclaw/openclaw/commit/979c6f09d6fad96596feb91c905934be7e0b4f15
cvssv4 4.9 https://github.com/openclaw/openclaw/commit/979c6f09d6fad96596feb91c905934be7e0b4f15
cvssv4 5.3 https://github.com/openclaw/openclaw/commit/979c6f09d6fad96596feb91c905934be7e0b4f15
generic_textual MODERATE https://github.com/openclaw/openclaw/commit/979c6f09d6fad96596feb91c905934be7e0b4f15
ssvc Track https://github.com/openclaw/openclaw/commit/979c6f09d6fad96596feb91c905934be7e0b4f15
cvssv3.1 7.7 https://github.com/openclaw/openclaw/pull/64377
cvssv4 5.3 https://github.com/openclaw/openclaw/pull/64377
generic_textual MODERATE https://github.com/openclaw/openclaw/pull/64377
cvssv3.1 7.7 https://github.com/openclaw/openclaw/security/advisories/GHSA-c9h3-5p7r-mrjh
cvssv3.1_qr MODERATE https://github.com/openclaw/openclaw/security/advisories/GHSA-c9h3-5p7r-mrjh
cvssv4 4.9 https://github.com/openclaw/openclaw/security/advisories/GHSA-c9h3-5p7r-mrjh
cvssv4 5.3 https://github.com/openclaw/openclaw/security/advisories/GHSA-c9h3-5p7r-mrjh
generic_textual MODERATE https://github.com/openclaw/openclaw/security/advisories/GHSA-c9h3-5p7r-mrjh
ssvc Track https://github.com/openclaw/openclaw/security/advisories/GHSA-c9h3-5p7r-mrjh
cvssv3.1 7.7 https://nvd.nist.gov/vuln/detail/CVE-2026-43532
cvssv4 5.3 https://nvd.nist.gov/vuln/detail/CVE-2026-43532
generic_textual MODERATE https://nvd.nist.gov/vuln/detail/CVE-2026-43532
cvssv3.1 7.7 https://www.vulncheck.com/advisories/openclaw-sandbox-media-normalization-bypass-via-discord-event-cover-image
cvssv4 4.9 https://www.vulncheck.com/advisories/openclaw-sandbox-media-normalization-bypass-via-discord-event-cover-image
cvssv4 5.3 https://www.vulncheck.com/advisories/openclaw-sandbox-media-normalization-bypass-via-discord-event-cover-image
generic_textual MODERATE https://www.vulncheck.com/advisories/openclaw-sandbox-media-normalization-bypass-via-discord-event-cover-image
ssvc Track https://www.vulncheck.com/advisories/openclaw-sandbox-media-normalization-bypass-via-discord-event-cover-image
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2026-43532
https://github.com/openclaw/openclaw
https://github.com/openclaw/openclaw/commit/979c6f09d6fad96596feb91c905934be7e0b4f15
https://github.com/openclaw/openclaw/pull/64377
https://github.com/openclaw/openclaw/security/advisories/GHSA-c9h3-5p7r-mrjh
https://nvd.nist.gov/vuln/detail/CVE-2026-43532
https://www.vulncheck.com/advisories/openclaw-sandbox-media-normalization-bypass-via-discord-event-cover-image
GHSA-c9h3-5p7r-mrjh https://github.com/advisories/GHSA-c9h3-5p7r-mrjh
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/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)

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Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/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)

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Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N Found at https://github.com/openclaw/openclaw/commit/979c6f09d6fad96596feb91c905934be7e0b4f15
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

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Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:N/SA:N Found at https://github.com/openclaw/openclaw/commit/979c6f09d6fad96596feb91c905934be7e0b4f15
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)

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Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N Found at https://github.com/openclaw/openclaw/commit/979c6f09d6fad96596feb91c905934be7e0b4f15
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)

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Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-05-05T12:21:31Z/ Found at https://github.com/openclaw/openclaw/commit/979c6f09d6fad96596feb91c905934be7e0b4f15
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N Found at https://github.com/openclaw/openclaw/pull/64377
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

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Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N Found at https://github.com/openclaw/openclaw/pull/64377
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)

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Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N Found at https://github.com/openclaw/openclaw/security/advisories/GHSA-c9h3-5p7r-mrjh
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

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Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:N/SA:N Found at https://github.com/openclaw/openclaw/security/advisories/GHSA-c9h3-5p7r-mrjh
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)

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Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N Found at https://github.com/openclaw/openclaw/security/advisories/GHSA-c9h3-5p7r-mrjh
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)

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Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-05-05T12:21:31Z/ Found at https://github.com/openclaw/openclaw/security/advisories/GHSA-c9h3-5p7r-mrjh
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2026-43532
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

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Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N Found at https://nvd.nist.gov/vuln/detail/CVE-2026-43532
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)

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Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N Found at https://www.vulncheck.com/advisories/openclaw-sandbox-media-normalization-bypass-via-discord-event-cover-image
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

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Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:N/SA:N Found at https://www.vulncheck.com/advisories/openclaw-sandbox-media-normalization-bypass-via-discord-event-cover-image
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)

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Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N Found at https://www.vulncheck.com/advisories/openclaw-sandbox-media-normalization-bypass-via-discord-event-cover-image
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

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Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-05-05T12:21:31Z/ Found at https://www.vulncheck.com/advisories/openclaw-sandbox-media-normalization-bypass-via-discord-event-cover-image
Exploit Prediction Scoring System (EPSS)
Percentile 0.14013
EPSS Score 0.00044
Published At June 5, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-06-04T16:51:51.414355+00:00 GithubOSV Importer Import https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/04/GHSA-c9h3-5p7r-mrjh/GHSA-c9h3-5p7r-mrjh.json 38.6.0