KEV Entry

CVE-2026-53435

Known Exploited Vulnerability Entry External Catalog

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Entry Details
Confirmed Exploited

CVE-2026-53435

2026-06-15 09:02 UTC

Timestamps

2026-06-15

2026-06-15

Scope

KEVIntel entry: In Jenkins 2.567 and earlier, LTS 2.555.2 and earlier, it is possible for attackers to have Jenkins deserialize arbitrary types defined in Jenkins... | Affected: Jenkins Project / Jenkins | CVSS: 8.8 (HIGH) | EPSS: 0.00368 | Used in malware: unknown | Not yet in CISA KEV: True

References
  • {'id': 'CVE-2026-53435', 'url': 'https://www.cve.org/CVERecord?id=CVE-2026-53435'}
  • {'id': 'kevintel', 'url': 'https://kevintel.com/vuln/CVE-2026-53435'}

7c04c96c-3f75-4977-9e20-76ebc2722fa6

caeb2787-0d58-4236-9039-7c86c3e566f3

2026-06-23 14:02 UTC

2026-06-23 14:02 UTC

Evidence
1
Type Source Signal Confidence Details GCVE Metadata
public_report kevintel successful_exploitation 0.70
View details 
{
  "added_date": "2026-06-15T09:02:00.000Z",
  "ahead_of_cisa_kev": null,
  "cvss_score": 8.8,
  "cvss_severity": "HIGH",
  "epss_percentile": 0.28374,
  "epss_score": 0.00368,
  "feed": "KEVIntel (kevintel.com)",
  "not_yet_in_cisa_kev": true,
  "product": "Jenkins",
  "title": "In Jenkins 2.567 and earlier, LTS 2.555.2 and earlier, it is possible for attackers to have Jenkins deserialize arbitrary types defined in Jenkins...",
  "used_in_malware": "unknown",
  "vendor": "Jenkins Project"
}
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