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CVE-2025-4515: Zylon PrivateGPT settings.yaml cross-domain policy

5.3 CVSS

Description

A vulnerability, which was classified as problematic, was found in Zylon PrivateGPT up to 0.6.2. This affects an unknown part of the file settings.yaml. The manipulation of the argument allow_origins leads to permissive cross-domain policy with untrusted domains. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way. Es wurde eine problematische Schwachstelle in Zylon PrivateGPT bis 0.6.2 gefunden. Es betrifft eine unbekannte Funktion der Datei settings.yaml. Durch Manipulation des Arguments allow_origins mit unbekannten Daten kann eine permissive cross-domain policy with untrusted domains-Schwachstelle ausgenutzt werden. Der Angriff kann über das Netzwerk erfolgen. Der Exploit steht zur öffentlichen Verfügung.

Classification

CVE ID: CVE-2025-4515

CVSS Base Severity: MEDIUM

CVSS Base Score: 5.3

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N

Problem Types

Permissive Cross-domain Policy with Untrusted Domains Origin Validation Error

Affected Products

Vendor: Zylon

Product: PrivateGPT

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.02% (probability of being exploited)

EPSS Percentile: 2.15% (scored less or equal to compared to others)

EPSS Date: 2025-06-08 (when was this score calculated)

References

https://nvd.nist.gov/vuln/detail/CVE-2025-4515
https://vuldb.com/?id.308235
https://vuldb.com/?ctiid.308235
https://vuldb.com/?submit.564451
https://gist.github.com/superboy-zjc/2a727cb0c1d468f21a91e0416d006ffe

Timeline