Cross Site Scripting in assafelovic gpt-researcher Affected by Vulnerability
CVE-2026-5630

5.3MEDIUM

Key Information:

Vendor

Assafelovic

Status
Gpt-researcher
Vendor
CVE Published:
6 April 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-5630?

A significant flaw resides in the Report API of the assafelovic gpt-researcher software, specifically within an undisclosed function found in backend/server/app.py. This vulnerability permits remote attackers to perform cross-site scripting (XSS) attacks. Despite being informed through an issue report, the project maintainers have yet to respond. The exploit has been made public and poses a risk to users until patched. It is critical for users of affected versions to assess their exposure and implement necessary safeguards.

Affected Version(s)

gpt-researcher 3.4.0

gpt-researcher 3.4.1

gpt-researcher 3.4.2

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-5630 - Proof of Concept

References

https://vuldb.com/vuln/355418
vdb-entry
https://vuldb.com/vuln/355418/cti
signaturepermissions-required
https://vuldb.com/submit/785856
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Yu-Bao (VulDB User)
VulDB CNA Team
.