# CVE-2026-5630: assafelovic gpt-researcher XSS in Report API

Source: https://junglewise.ai/threats/cve-2026-5630-assafelovic-gpt-researcher-xss-in-report-api  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-04-06. Updated: 2026-07-24  
License: CC BY 4.0 with a link back

CVE-2026-5630 · Severity: medium · CVSS 4.3 · Published 2026-04-06

A vulnerability has been identified in gpt-researcher, an autonomous AI agent used for conducting deep research. The flaw exists in the Report API component and allows for cross-site scripting (XSS). If exploited, an attacker could execute malicious scripts in a user's browser, potentially leading to unauthorized actions or the theft of sensitive session information.

Technologies: [Assaf Elovic GPT Researcher](https://junglewise.ai/threats/technologies/gpt-researcher). Vendors: [Assaf Elovic](https://junglewise.ai/threats/vendors/assaf-elovic).

## Quick answers

**Is CVE-2026-5630 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-5630 being exploited in the wild.

**How severe is CVE-2026-5630?** Medium severity, with a CVSS score of 4.3, published 6 April 2026.

**Which products and versions are affected?** Assaf Elovic GPT Researcher up to 3.4.3.

**Is there a fix for CVE-2026-5630?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-5630 attacked?** It is attacked over the network, in a network appliance.

**Am I affected by CVE-2026-5630?** Check whether you run Assaf Elovic GPT Researcher at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

A cross-site scripting (XSS) vulnerability exists in the Report API component of gpt-researcher through version 3.4.3. The issue is located within the backend/server/app.py file, where improper input neutralization allows for the injection of malicious web scripts. An unauthenticated remote attacker can exploit this flaw by sending a specially crafted request to the API. Successful exploitation requires a victim to interact with the malicious content, at which point the attacker's script executes in the context of the victim's browser session. While the project was notified via an issue report, the vulnerability is currently unpatched and has been marked as 'wontfix' by the maintainers.

## Affected products

- assafelovic gpt-researcher up to 3.4.3

## Timeline

- 2026-03-23: disclosed: Issue reported to the project maintainers via GitHub.
- 2026-04-06: advisory: Vulnerability published by VulDB.

## References

- [https://github.com/assafelovic/gpt-researcher/](https://github.com/assafelovic/gpt-researcher/)
- [https://github.com/assafelovic/gpt-researcher/issues/1693](https://github.com/assafelovic/gpt-researcher/issues/1693)
- [https://vuldb.com/submit/785856](https://vuldb.com/submit/785856)
- [https://vuldb.com/vuln/355418](https://vuldb.com/vuln/355418)
- [https://vuldb.com/vuln/355418/cti](https://vuldb.com/vuln/355418/cti)

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