Medium
Playbook Plugin Crash via Run Checklist
Type: advisorySources: OSV
Mattermost fails to to check the length when setting the title in a run checklist in Playbooks, allowing an attacker to send a specially crafted request and crash the Playbooks plugin
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2023-45847
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 6 Nov 2026, 00:25 UTC · Revision 1
Source evidence
Mattermost fails to to check the length when setting the title in a run checklist in Playbooks, allowing an attacker to send a specially crafted request and crash the Playbooks plugin
osv:CVE-2023-45847
Complete source record
{
"id": "639d597629a95d8d2fef481504117f4921d6141cf9bf2dc96e81febcfa0ca678",
"url": "https://osv.dev/vulnerability/CVE-2023-45847",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "Playbook Plugin Crash via Run Checklist",
"summary": "Mattermost fails to to check the length when setting the title in a run checklist in Playbooks, allowing an attacker to send a specially crafted request and crash the Playbooks plugin",
"evidence": "osv:CVE-2023-45847",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2023-45847",
"aliases": [
"BIT-mattermost-2023-45847",
"CVE-2023-45847"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/mattermost/mattermost",
"type": "GIT",
"events": [
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"introduced": "0"
},
{
"last_affected": "b245d967c8c3d158a899c38166151254d6ee0d11"
},
{
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{
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},
{
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{
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{
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{
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}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*",
"range": [
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{
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}
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{
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"range": [
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{
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},
{
"cpe": "cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*",
"range": [
{
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},
{
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}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*",
"range": [
{
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{
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],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*",
"range": [
{
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},
{
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}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
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"v9.0.3-rc1",
"v9.0.3",
"v8.1.5-rc2",
"v8.1.5",
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"v9.2.1",
"v9.1.2-rc1",
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"v9.2.0",
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"v7.8.13-rc1",
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"v9.0.2",
"v8.1.4-rc2",
"v8.1.4",
"v8.1.4-rc1",
"v9.0.1-rc1",
"v9.0.1",
"v8.1.3-rc2",
"v8.1.3",
"v7.8.12-rc2",
"v7.8.12",
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"v7.8.10-rc4",
"v8.1.1-rc1",
"v7.8.10-rc3",
"v8.1.0-rc2",
"v8.1.0",
"cloud-2023-07-26-1",
"v7.8.9",
"v7.8.8",
"server/public/v0.0.5",
"v7.8.7",
"v7.8.6",
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"v7.8.3",
"v7.8.2",
"v7.8.1",
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"cloud-2023-01-26-1",
"cloud-2022-11-24-1",
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"cloud-2022-10-06-1",
"cloud-2022-09-08-1",
"cloud-2022-08-10-1",
"cloud-2022-07-20-1",
"v5.2.0-rc2",
"v5.2.0-rc1",
"v5.1.0-rc1",
"v5.0.0-rc1",
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"v4.9.0-rc1",
"v4.8.0-rc1",
"v4.7.0-rc1",
"v4.6.0-rc2",
"v4.6.0-rc1",
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"v4.4.0-rc1",
"v4.3.0-rc1",
"v4.2.0-rc1",
"v0.5.0"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-45847.json"
}
}
],
"modified": "2026-10-28T02:30:45.409029052Z",
"provider": "osv",
"references": [
"https://mattermost.com/security-updates",
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/45xxx/CVE-2023-45847.json",
"https://nvd.nist.gov/vuln/detail/CVE-2023-45847"
],
"provider_metadata": {
"cwe_ids": [
"CWE-400"
],
"cna_assigner": "Mattermost",
"unresolved_ranges": [
{
"extracted_events": [
{
"range": [
{
"last_affected": "8.1.5"
},
{
"last_affected": "9.0.3"
},
{
"last_affected": "9.1.2"
},
{
"last_affected": "9.2.1"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StandardRange"
}
]
}
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/45xxx/CVE-2023-45847.json"
}
},
"related_cves": [
{
"value": "CVE-2023-45847",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 513468,
"published_at": "2023-12-12T08:17:10.088+00:00"
}