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Vulnerability details: VCID-5jgs-gk2n-8fdk
Vulnerability ID VCID-5jgs-gk2n-8fdk
Aliases CVE-2026-33576
GHSA-v2v2-f783-358j
Summary OpenClaw before 2026.3.28 downloads and stores inbound media from Zalo channels before validating sender authorization. Unauthorized senders can force network fetches and disk writes to the media store by sending messages that are subsequently rejected.
Status Published
Exploitability 0.5
Weighted Severity 8.8
Risk 4.4
Affected and Fixed Packages Package Details
Weaknesses (4)
CWE-863 Incorrect Authorization
CWE-862 Missing 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 0.00018 https://api.first.org/data/v1/epss?cve=CVE-2026-33576
epss 0.00018 https://api.first.org/data/v1/epss?cve=CVE-2026-33576
epss 0.00018 https://api.first.org/data/v1/epss?cve=CVE-2026-33576
epss 0.00018 https://api.first.org/data/v1/epss?cve=CVE-2026-33576
cvssv3.1_qr MODERATE https://github.com/advisories/GHSA-v2v2-f783-358j
cvssv3.1 9.8 https://github.com/openclaw/openclaw
cvssv4 6.9 https://github.com/openclaw/openclaw
generic_textual MODERATE https://github.com/openclaw/openclaw
cvssv3.1 6.5 https://github.com/openclaw/openclaw/commit/68ceaf7a5f64a23e78b95eff055e4b497218312a
cvssv3.1 9.8 https://github.com/openclaw/openclaw/commit/68ceaf7a5f64a23e78b95eff055e4b497218312a
cvssv4 6.9 https://github.com/openclaw/openclaw/commit/68ceaf7a5f64a23e78b95eff055e4b497218312a
generic_textual MODERATE https://github.com/openclaw/openclaw/commit/68ceaf7a5f64a23e78b95eff055e4b497218312a
ssvc Track https://github.com/openclaw/openclaw/commit/68ceaf7a5f64a23e78b95eff055e4b497218312a
cvssv3.1 6.5 https://github.com/openclaw/openclaw/security/advisories/GHSA-v2v2-f783-358j
cvssv3.1 9.8 https://github.com/openclaw/openclaw/security/advisories/GHSA-v2v2-f783-358j
cvssv3.1_qr MODERATE https://github.com/openclaw/openclaw/security/advisories/GHSA-v2v2-f783-358j
cvssv4 6.9 https://github.com/openclaw/openclaw/security/advisories/GHSA-v2v2-f783-358j
generic_textual MODERATE https://github.com/openclaw/openclaw/security/advisories/GHSA-v2v2-f783-358j
ssvc Track https://github.com/openclaw/openclaw/security/advisories/GHSA-v2v2-f783-358j
cvssv3.1 9.8 https://nvd.nist.gov/vuln/detail/CVE-2026-33576
cvssv4 6.9 https://nvd.nist.gov/vuln/detail/CVE-2026-33576
generic_textual MODERATE https://nvd.nist.gov/vuln/detail/CVE-2026-33576
cvssv3.1 6.5 https://www.vulncheck.com/advisories/openclaw-unauthorized-media-download-via-zalo-channel
cvssv3.1 9.8 https://www.vulncheck.com/advisories/openclaw-unauthorized-media-download-via-zalo-channel
cvssv4 6.9 https://www.vulncheck.com/advisories/openclaw-unauthorized-media-download-via-zalo-channel
generic_textual MODERATE https://www.vulncheck.com/advisories/openclaw-unauthorized-media-download-via-zalo-channel
ssvc Track https://www.vulncheck.com/advisories/openclaw-unauthorized-media-download-via-zalo-channel
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2026-33576
https://github.com/openclaw/openclaw
https://nvd.nist.gov/vuln/detail/CVE-2026-33576
68ceaf7a5f64a23e78b95eff055e4b497218312a https://github.com/openclaw/openclaw/commit/68ceaf7a5f64a23e78b95eff055e4b497218312a
GHSA-v2v2-f783-358j https://github.com/advisories/GHSA-v2v2-f783-358j
GHSA-v2v2-f783-358j https://github.com/openclaw/openclaw/security/advisories/GHSA-v2v2-f783-358j
openclaw-unauthorized-media-download-via-zalo-channel https://www.vulncheck.com/advisories/openclaw-unauthorized-media-download-via-zalo-channel
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H 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:N/PR:N/UI:N/VC:N/VI:L/VA:L/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

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:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L Found at https://github.com/openclaw/openclaw/commit/68ceaf7a5f64a23e78b95eff055e4b497218312a
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:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://github.com/openclaw/openclaw/commit/68ceaf7a5f64a23e78b95eff055e4b497218312a
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:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N Found at https://github.com/openclaw/openclaw/commit/68ceaf7a5f64a23e78b95eff055e4b497218312a
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/2026-04-02T15:11:13Z/ Found at https://github.com/openclaw/openclaw/commit/68ceaf7a5f64a23e78b95eff055e4b497218312a
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L Found at https://github.com/openclaw/openclaw/security/advisories/GHSA-v2v2-f783-358j
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:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://github.com/openclaw/openclaw/security/advisories/GHSA-v2v2-f783-358j
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:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N Found at https://github.com/openclaw/openclaw/security/advisories/GHSA-v2v2-f783-358j
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/2026-04-02T15:11:13Z/ Found at https://github.com/openclaw/openclaw/security/advisories/GHSA-v2v2-f783-358j
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2026-33576
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:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N Found at https://nvd.nist.gov/vuln/detail/CVE-2026-33576
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:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L Found at https://www.vulncheck.com/advisories/openclaw-unauthorized-media-download-via-zalo-channel
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:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://www.vulncheck.com/advisories/openclaw-unauthorized-media-download-via-zalo-channel
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:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N Found at https://www.vulncheck.com/advisories/openclaw-unauthorized-media-download-via-zalo-channel
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/2026-04-02T15:11:13Z/ Found at https://www.vulncheck.com/advisories/openclaw-unauthorized-media-download-via-zalo-channel
Exploit Prediction Scoring System (EPSS)
Percentile 0.0503
EPSS Score 0.00018
Published At June 11, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-06-11T16:49:41.256890+00:00 Vulnrichment Import https://github.com/cisagov/vulnrichment/blob/develop/2026/33xxx/CVE-2026-33576.json 38.6.0