CVE-2026-86485
Status: DeferredLow (3.3)—
In JetBrains YouTrack before 2026.2.18634 iP spoofing via HTTP headers allowed forged Bitbucket webhooks
CVSS
- Version: 3.1
- Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
- Base score: 3.3
Exploitation probability (EPSS)
- Probability of exploitation in the next 30 days: 0.16%
- Percentile among all scored CVEs: 4
- Score date: 10/6/2026
EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).
Affected technologies (1)
⚠ AI-inferred from the description — NVD hasn't analyzed this CVE yet, these aren't verified CPEs.
CWEs
- CWE-291
References
Raw JSON (NVD)
Show
{
"id": "CVE-2026-86485",
"cveTags": [],
"metrics": {
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2026-86485",
"role": "CISA Coordinator",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"version": "2.0.3",
"timestamp": "2026-09-08T10:21:30.939892Z"
}
}
],
"cvssMetricV31": [
{
"type": "Secondary",
"source": "cve@jetbrains.com",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 3.3,
"attackVector": "LOCAL",
"baseSeverity": "LOW",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N",
"integrityImpact": "NONE",
"userInteraction": "REQUIRED",
"attackComplexity": "LOW",
"availabilityImpact": "NONE",
"privilegesRequired": "NONE",
"confidentialityImpact": "LOW"
},
"impactScore": 1.4,
"exploitabilityScore": 1.8
}
]
},
"affected": [
{
"source": "cve@jetbrains.com",
"affectedData": [
{
"vendor": "JetBrains",
"product": "YouTrack",
"versions": [
{
"status": "affected",
"version": "0",
"lessThan": "2026.2.18634",
"versionType": "semver"
}
],
"defaultStatus": "unaffected"
}
]
}
],
"published": "2026-09-07T17:17:26.723",
"references": [
{
"url": "https://www.jetbrains.com/privacy-security/issues-fixed/",
"source": "cve@jetbrains.com"
}
],
"vulnStatus": "Deferred",
"weaknesses": [
{
"type": "Secondary",
"source": "cve@jetbrains.com",
"description": [
{
"lang": "en",
"value": "CWE-291"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "In JetBrains YouTrack before 2026.2.18634 iP spoofing via HTTP headers allowed forged Bitbucket webhooks"
}
],
"lastModified": "2026-09-08T15:30:03.247",
"sourceIdentifier": "cve@jetbrains.com"
}