anthropic-experimental sandbox-runtime up to 0.0.15 Network Request protection mechanism

CVSS Meta Temp Score
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CTI Interest Score
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2.2$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in anthropic-experimental sandbox-runtime up to 0.0.15. Affected by this issue is some unknown functionality of the component Network Request Handler. Executing a manipulation can lead to protection mechanism. This vulnerability is registered as CVE-2025-66479. The attack needs to be launched locally. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability has been found in anthropic-experimental sandbox-runtime up to 0.0.15 and classified as problematic. This vulnerability affects an unknown function of the component Network Request Handler. The manipulation with an unknown input leads to a protection mechanism vulnerability. The CWE definition for the vulnerability is CWE-693. The product does not use or incorrectly uses a protection mechanism that provides sufficient defense against directed attacks against the product. As an impact it is known to affect confidentiality. CVE summarizes:

Anthropic Sandbox Runtime is a lightweight sandboxing tool for enforcing filesystem and network restrictions on arbitrary processes at the OS level, without requiring a container. Prior to 0.0.16, due to a bug in sandboxing logic, sandbox-runtime did not properly enforce a network sandbox if the sandbox policy did not configure any allowed domains. This could allow sandboxed code to make network requests outside of the sandbox. A patch for this was released in v0.0.16.

The advisory is available at github.com. This vulnerability was named CVE-2025-66479 since 12/02/2025. The exploitation appears to be easy. Local access is required to approach this attack. The exploitation requires an enhanced level of successful authentication. The technical details are unknown and an exploit is not available.

Upgrading to version 0.0.16 eliminates this vulnerability. Applying the patch bea2930cc1db9c73a1b15acf6dc19c5261aec1f3 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.

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Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 2.3
VulDB Meta Temp Score: 2.2

VulDB Base Score: 2.3
VulDB Temp Score: 2.2
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Protection mechanism
CWE: CWE-693
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: sandbox-runtime 0.0.16
Patch: bea2930cc1db9c73a1b15acf6dc19c5261aec1f3

Timelineinfo

12/02/2025 CVE reserved
12/05/2025 +3 days Advisory disclosed
12/05/2025 +0 days VulDB entry created
12/05/2025 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: GHSA-9gqj-5w7c-vx47
Status: Confirmed

CVE: CVE-2025-66479 (🔒)
GCVE (CVE): GCVE-0-2025-66479
GCVE (VulDB): GCVE-100-334390

Entryinfo

Created: 12/05/2025 01:56
Changes: 12/05/2025 01:56 (69)
Complete: 🔍
Cache ID: 216::103

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