CLEANSTART-2026-XJ20290

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Import Source
https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2026/CLEANSTART-2026-XJ20290.json
JSON Data
https://api.osv.dev/v1/vulns/CLEANSTART-2026-XJ20290
Upstream
Published
2026-10-08T00:44:52Z
Modified
2026-10-08T16:47:15Z
Severity
  • 7.4 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N CVSS Calculator
Summary
undici's BalancedPool constructor passes its entire options object through an internal deep-clone that serializes and reparses the value as JSON
Details

CVE-2026-84961 affects multiple packages. undici's BalancedPool constructor passes its entire options object through an internal deep-clone that serializes and reparses the value as JSON. See references for individual vulnerability details.

References

Affected packages

CleanStart / langfuse-worker

Package

Name
langfuse-worker
Purl
pkg:apk/cleanstart/langfuse-worker

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
3.225.9-r3

Database specific

source
"https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2026/CLEANSTART-2026-XJ20290.json"

CleanStart / langfuse

Package

Name
langfuse
Purl
pkg:apk/cleanstart/langfuse

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
3.225.9-r0

Database specific

source
"https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2026/CLEANSTART-2026-XJ20290.json"