Medium
OpenClaw < 2026.2.25 - Sender Policy Bypass in Slack Reaction and Pin Event Handlers
Type: advisorySources: OSV
OpenClaw versions prior to 2026.2.25 fail to consistently apply sender-policy checks to reaction_* and pin_* non-message events before adding them to system-event context. Attackers can bypass configured DM policies and channel user allowlists to inject unauthorized reaction and pin events from restricted senders.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2026-32899
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 2 Nov 2026, 20:39 UTC · Revision 1
Source evidence
OpenClaw < 2026.2.25 - Sender Policy Bypass in Slack Reaction and Pin Event Handlers
core-osv · Original sourcePublished 21 Mar 2026, 00:42 UTC
OpenClaw versions prior to 2026.2.25 fail to consistently apply sender-policy checks to reaction_* and pin_* non-message events before adding them to system-event context. Attackers can bypass configured DM policies and channel user allowlists to inject unauthorized reaction and pin events from restricted senders.
osv:CVE-2026-32899
Complete source record
{
"id": "9efab8c890d80ebc15e9dc066eff4486110d9a395336700250fbdd768ba518b2",
"url": "https://osv.dev/vulnerability/CVE-2026-32899",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "OpenClaw < 2026.2.25 - Sender Policy Bypass in Slack Reaction and Pin Event Handlers",
"summary": "OpenClaw versions prior to 2026.2.25 fail to consistently apply sender-policy checks to reaction_* and pin_* non-message events before adding them to system-event context. Attackers can bypass configured DM policies and channel user allowlists to inject unauthorized reaction and pin events from restricted senders.",
"evidence": "osv:CVE-2026-32899",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2026-32899",
"aliases": [
"CVE-2026-32899",
"GHSA-rm2p-j3r7-4x4j"
],
"metrics": [
{
"type": "CVSS_V4",
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/openclaw/openclaw",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "4b5d4a4c660d05e4bd73f0e11123e68fd9664432"
},
{
"fixed": "75dfb71e4e8b7c2feba5a8ca662f92ea840e0147"
},
{
"fixed": "aedf62ac7e669a89c7b299201bf6537dc6b12e0e"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:*",
"range": [
{
"introduced": "0"
},
{
"fixed": "2026.2.25"
}
],
"source": "CPE_RANGE"
},
{
"range": [
{
"fixed": "75dfb71e4e8b7c2feba5a8ca662f92ea840e0147"
}
],
"source": "REFERENCES_COMMIT"
},
{
"range": [
{
"fixed": "aedf62ac7e669a89c7b299201bf6537dc6b12e0e"
}
],
"source": "REFERENCES_COMMIT"
}
]
}
}
],
"versions": [
"v2026.2.24",
"v2026.2.24-beta.1",
"v2026.2.23",
"v2026.2.23-beta.1",
"v2026.2.22",
"v2026.2.22-beta.1",
"v2026.2.21",
"v2026.2.21-beta.1",
"v2026.2.19-beta.1",
"v2026.2.19",
"v2026.2.17",
"v2026.2.15-beta.1",
"v2026.2.14",
"v2026.2.13",
"v2026.2.12",
"v2026.2.9",
"v2026.2.6-3",
"v2026.2.6-2",
"v2026.2.6-1",
"v2026.2.6",
"v2026.2.3",
"v2026.2.2",
"v2026.2.1",
"v2026.1.30",
"v2026.1.29",
"v2026.1.24-1",
"v2026.1.24",
"v2026.1.23",
"v2026.1.22",
"v2026.1.21",
"v2026.1.20",
"v2026.1.16-2",
"v2026.1.15",
"v2026.1.14-1",
"v2026.1.13",
"v2026.1.12-2",
"v2026.1.12",
"v2026.1.11-3",
"v2026.1.11-2",
"v2026.1.11-1",
"v2026.1.11",
"v2026.1.10",
"v2026.1.9",
"v2026.1.8",
"v2026.1.5-3",
"v2026.1.5-2",
"v2026.1.5-1",
"v2026.1.5",
"v2.0.0-beta5",
"v2.0.0-beta4",
"v2.0.0-beta3",
"v2.0.0-beta2",
"v2.0.0-beta1",
"v1.3.0",
"v1.2.2",
"v1.2.1",
"v1.2.0",
"v1.1.0",
"v1.0.4",
"v0.1.3",
"v0.1.2",
"v0.1.1",
"v0.1.0"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-32899.json"
}
}
],
"modified": "2026-10-28T02:30:23.555729898Z",
"provider": "osv",
"references": [
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/32xxx/CVE-2026-32899.json",
"https://github.com/openclaw/openclaw/security/advisories/GHSA-rm2p-j3r7-4x4j",
"https://nvd.nist.gov/vuln/detail/CVE-2026-32899",
"https://www.vulncheck.com/advisories/openclaw-sender-policy-bypass-in-slack-reaction-and-pin-event-handlers",
"https://github.com/openclaw/openclaw/commit/75dfb71e4e8b7c2feba5a8ca662f92ea840e0147",
"https://github.com/openclaw/openclaw/commit/aedf62ac7e669a89c7b299201bf6537dc6b12e0e"
],
"provider_metadata": {
"cwe_ids": [
"CWE-863"
],
"cna_assigner": "VulnCheck",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/32xxx/CVE-2026-32899.json"
}
},
"related_cves": [
{
"value": "CVE-2026-32899",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 489959,
"published_at": "2026-03-21T00:42:35.477+00:00"
}