GCVE Workshop - 22 September 2026 (14:00-18:00), Luxembourg Before The Vulnopticon Conference - Registration
KEV Entry

CVE-2026-59822

Known Exploited Vulnerability Entry CISA

Back to Catalog View Vulnerability
Entry Details
Confirmed Exploited

CVE-2026-59822

2026-09-02 00:00 UTC

Timestamps

2026-09-02

2026-09-02

Scope

BerriAI LiteLLM Improper Authentication Vulnerability | Affected: BerriAI / LiteLLM | Description: BerriAI LiteLLM contains an improper authentication vulnerability in the MCP Streamable HTTP endpoint that could allow an unauthenticated attacker to establish an authenticated MCP session using an arbitrary Bearer token. | Required action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines. | Due date: 2026-09-16 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): https://github.com/BerriAI/litellm/security/advisories/GHSA-7488-6r32-c95q ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2026-59822

References
  • {'id': 'CVE-2026-59822', 'url': 'https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2026-59822'}

b2e0c044-08c5-41bb-baab-bb5cd2619d20

CISA
405284c2-e461-4670-8979-7fd2c9755a60

2026-09-02 18:00 UTC

2026-09-02 18:00 UTC

Evidence
1
Type Source Signal Confidence Details GCVE Metadata
vendor_report cisa-kev successful_exploitation 0.80
View details 
{
  "cwes": [
    "CWE-287",
    "CWE-306"
  ],
  "date_added": "2026-09-02",
  "due_date": "2026-09-16",
  "feed": "CISA Known Exploited Vulnerabilities Catalog",
  "knownRansomwareCampaignUse": "Unknown",
  "product": "LiteLLM",
  "vendorProject": "BerriAI",
  "vulnerabilityName": "BerriAI LiteLLM Improper Authentication Vulnerability"
}
 -
Export Options
JSON Object JSON API View Full Catalog