THREATPORT/VULNERABILITY/CVE-2026-22219
HIGH SEVERITY

CVE-2026-22219

Chainlit vulnerability

CVSS
7.7
EPSS
4.4%
EPSS pct
90th
Exploited
No known
Chainlit versions prior to 2.9.4 contain a server-side request forgery (SSRF) vulnerability in the /project/element update flow when configured with the SQLAlchemy data layer backend. An authenticated client can provide a user-controlled url value in an Element, which is fetched by the SQLAlchemy element creation logic using an outbound HTTP GET request. This allows an attacker to make arbitrary HTTP requests from the Chainlit server to internal network services or cloud metadata endpoints and store the retrieved responses via the configured storage provider.
Affected vendor
Chainlit
Affected product
Chainlit
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Weakness type (CWE)
  • CWE-918 — Server-Side Request Forgery (SSRF)
Published
2026-01-20

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring low privileges, no user interaction. Successful exploitation leads to high impact to confidentiality.

Its EPSS score of 4.4% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 90% of all scored CVEs.

Check your external exposure to CVE-2026-22219

  • Confirm whether Chainlit Chainlit is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2026-22219.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2026-22219

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