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CVE-2026-22219

Chainlit server-side request forgery (SSRF)

7.7 HIGHPublic exploitEPSS 5.06%
  1. Published19 Jan 2026

Description

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.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredLow
User interactionNone
ScopeChanged
ConfidentialityHigh
IntegrityNone
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

Affected products

Chainlit< 2.9.4

Remediation

Fixed in
Chainlit≥ 2.9.4

References

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Frequently asked

Is CVE-2026-22219 being actively exploited?

CVE-2026-22219 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 5.06%.

How severe is CVE-2026-22219?

CVE-2026-22219 has a CVSS 3.1 base score of 7.7, rated high. EPSS estimates a 5.06% probability of exploitation.

Which products are affected by CVE-2026-22219?

Affected products include Chainlit.

How do I fix CVE-2026-22219?

Upgrade affected software to a fixed version, for example Chainlit 2.9.4 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.