CVE-2026-4191: JawherKl node-api-postgres Profile Picture index.js path.extname unrestricted upload

Severity: high (CVSS 7.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-03-16 · updated 2026-06-17
Weakness: CWE-284

Description

A flaw has been found in JawherKl node-api-postgres up to 2.5. Affected is the function path.extname of the file index.js of the component Profile Picture Handler. This manipulation causes unrestricted upload. The attack is possible to be carried out remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Affected products

JawherKl node-api-postgres: 2.0, 2.1, 2.2, 2.3, 2.4, 2.5

References

https://hackmd.io/@YzU_KiOzT86cEbFQdBceVg/Bk56LQQYbe
https://vuldb.com/?ctiid.351098
https://vuldb.com/?id.351098
https://vuldb.com/?submit.770002

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