# CVE-2025-1300: PYSEC-2026-1259 - CodeChecker open redirect when URL contains multiple slashes after the product name

Source: https://junglewise.ai/threats/cve-2025-1300-codechecker-open-redirect-when-url-contains-multiple-slashes-after  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-07-07  
License: CC BY 4.0 with a link back

CVE-2025-1300 · Severity: low · CVSS 3.1 · Published 2026-07-07

CodeChecker open redirect when URL contains multiple slashes after the product name

Technologies: [codechecker (PyPI)](https://junglewise.ai/threats/technologies/codechecker). Vendors: [PyPI](https://junglewise.ai/threats/vendors/pypi).

## Quick answers

**Is CVE-2025-1300 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2025-1300 being exploited in the wild.

**How severe is CVE-2025-1300?** Low severity, with a CVSS score of 3.1, published 7 July 2026.

**Which products and versions are affected?** codechecker (PyPI) ECOSYSTEM:introduced=0,fixed=6.24.6.

**Is there a fix for CVE-2025-1300?** Yes. codechecker (PyPI): upgrade to 6.24.6 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2025-1300?** Check whether you run codechecker (PyPI) 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.

## How to fix

- codechecker (PyPI): upgrade to 6.24.6 or later

  ```sh
  pip install "codechecker>=6.24.6"
  ```


## Affected products

- codechecker (PyPI) ECOSYSTEM:introduced=0,fixed=6.24.6

## Identifiers

- CVE-2025-1300
- GHSA-g839-x3p3-g5fm
- PYSEC-2026-1259

## Related threats

- [Codechecker has an authentication bypass for certain API calls](https://junglewise.ai/threats/cve-2026-25660-codechecker-has-an-authentication-bypass-for-certain-api-calls)
- [Ericsson CodeChecker stack overflow in ldlogger library](https://junglewise.ai/threats/cve-2025-40843-ericsson-codechecker-stack-overflow-in-ldlogger-library)
- [Cross-Site Request Forgery in CodeChecker API](https://junglewise.ai/threats/cve-2024-53829-cross-site-request-forgery-in-codechecker-api)
- [codechecker authentication method confusion vulnerability allows logging in as the built-in root user from an external service](https://junglewise.ai/threats/cve-2024-10082-codechecker-authentication-method-confusion-vulnerability-allows)
- [codechecker vulnerable to authentication bypass when using specifically crafted URLs](https://junglewise.ai/threats/cve-2024-10081-codechecker-vulnerable-to-authentication-bypass-when-using)
