Sipeed PicoClaw up to 0.2.9 web_fetch web.go isPrivateOrRestrictedIP server-side request forgery

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.7$0-$5k2.43+

Summaryinfo

A vulnerability labeled as critical has been found in Sipeed PicoClaw up to 0.2.9. The affected element is the function isPrivateOrRestrictedIP of the file pkg/tools/integration/web.go of the component web_fetch. Such manipulation leads to server-side request forgery. This vulnerability is uniquely identified as CVE-2026-16196. The attack can be launched remotely. Moreover, an exploit is present. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability was found in Sipeed PicoClaw up to 0.2.9 and classified as critical. Affected by this issue is the function isPrivateOrRestrictedIP of the file pkg/tools/integration/web.go of the component web_fetch. The manipulation with an unknown input leads to a server-side request forgery vulnerability. Using CWE to declare the problem leads to CWE-918. The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination. Impacted is confidentiality, integrity, and availability.

The advisory is shared for download at github.com. This vulnerability is handled as CVE-2026-16196. The exploitation is known to be easy. The attack may be launched remotely. Technical details as well as a public exploit are known.

The exploit is available at github.com. It is declared as proof-of-concept.

Applying the patch 2efbe5d560e7ed9bc5209c203dc4aa6ecdbc7405 is able to eliminate this problem. The bugfix is ready for download at github.com.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 5.7

VulDB Base Score: 6.3
VulDB Temp Score: 5.7
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: Server-side request forgery
CWE: CWE-918
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔒

Patch: 2efbe5d560e7ed9bc5209c203dc4aa6ecdbc7405

Timelineinfo

07/18/2026 Advisory disclosed
07/18/2026 +0 days VulDB entry created
07/18/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: 3077
Status: Confirmed
Confirmation: 🔒

CVE: CVE-2026-16196 (🔒)
GCVE (CVE): GCVE-0-2026-16196
GCVE (VulDB): GCVE-100-380012
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 07/18/2026 09:27
Changes: 07/18/2026 09:27 (61)
Complete: 🔍
Submitter: Eric-i
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #852963: Sipeed PicoClaw <= 0.2.9 Server-Side Request Forgery (CWE-918) (by Eric-i)

Once again VulDB remains the best source for vulnerability data.

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