OpenClaw up to 2026.3.30 Header Authorization insufficiently protected credentials

Summaryinfo

A vulnerability classified as problematic was found in OpenClaw up to 2026.3.30. This vulnerability affects unknown code of the component Header Handler. Executing a manipulation of the argument Authorization can lead to insufficiently protected credentials. This vulnerability is handled as CVE-2026-41345. The attack can be executed remotely. There is not any exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in OpenClaw up to 2026.3.30. It has been declared as problematic. This vulnerability affects an unknown function of the component Header Handler. The manipulation of the argument Authorization with an unknown input leads to a insufficiently protected credentials vulnerability. The CWE definition for the vulnerability is CWE-522. The product transmits or stores authentication credentials, but it uses an insecure method that is susceptible to unauthorized interception and/or retrieval. As an impact it is known to affect confidentiality. CVE summarizes:

OpenClaw before 2026.3.31 contains a credential exposure vulnerability in media download functionality that forwards Authorization headers across cross-origin redirects. Attackers can exploit this by crafting malicious cross-origin redirect chains to intercept sensitive authorization credentials intended for legitimate requests.

The advisory is shared for download at github.com. This vulnerability was named CVE-2026-41345 since 04/20/2026. The exploitation appears to be difficult. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1552.

Upgrading to version 2026.3.31 eliminates this vulnerability. Applying the patch e704323ff388ed21f6963f9b8e0b1b8dfaaabc5f is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the vulnerability database at CERT Bund (WID-SEC-2026-0948). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Affected

• Open Source OpenClaw

Productinfo

Type

• Artificial Intelligence Software

Name

• OpenClaw

Version

• 2026.3.0
• 2026.3.1
• 2026.3.2
• 2026.3.3
• 2026.3.4
• 2026.3.5
• 2026.3.6
• 2026.3.7
• 2026.3.8
• 2026.3.9
• 2026.3.10
• 2026.3.11
• 2026.3.12
• 2026.3.13
• 2026.3.14
• 2026.3.15
• 2026.3.16
• 2026.3.17
• 2026.3.18
• 2026.3.19
• 2026.3.20
• 2026.3.21
• 2026.3.22
• 2026.3.23
• 2026.3.24
• 2026.3.25
• 2026.3.26
• 2026.3.27
• 2026.3.28
• 2026.3.29
• 2026.3.30

License

• open-source

Website

• Product: https://github.com/openclaw/openclaw/

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VulDB is the best source for vulnerability data and more expert information about this specific topic.

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