6.5
MEDIUM CVSS 2.0
CVE-2026-16196
Sipeed PicoClaw web_fetch web.go isPrivateOrRestrictedIP server-side request forgery
Description

A weakness has been identified in Sipeed PicoClaw up to 0.2.9. Impacted is the function isPrivateOrRestrictedIP of the file pkg/tools/integration/web.go of the component web_fetch. This manipulation causes server-side request forgery. The attack can be initiated remotely. The exploit has been made available to the public and could be used for attacks. Patch name: 2efbe5d560e7ed9bc5209c203dc4aa6ecdbc7405. To fix this issue, it is recommended to deploy a patch.

INFO

Published Date :

July 18, 2026, 11:17 p.m.

Last Modified :

July 18, 2026, 11:17 p.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2026-16196 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Sipeed picoclaw
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 2.0 MEDIUM [email protected]
CVSS 3.1 MEDIUM [email protected]
CVSS 4.0 LOW [email protected]
Solution
Deploy the provided patch to fix the server-side request forgery vulnerability.
  • Deploy patch 2efbe5d560e7ed9bc5209c203dc4aa6ecdbc7405.
  • Update the web_fetch component in Sipeed PicoClaw.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-16196 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-16196 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-16196 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-16196 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by [email protected]

    Jul. 18, 2026

    Action Type Old Value New Value
    Added Affected [{'cpes': ['cpe:2.3:a:sipeed:picoclaw:*:*:*:*:*:*:*:*'], 'vendor': 'Sipeed', 'modules': ['web_fetch'], 'product': 'PicoClaw', 'versions': [{'status': 'affected', 'version': '0.2.0'}, {'status': 'affected', 'version': '0.2.1'}, {'status': 'affected', 'version': '0.2.2'}, {'status': 'affected', 'version': '0.2.3'}, {'status': 'affected', 'version': '0.2.4'}, {'status': 'affected', 'version': '0.2.5'}, {'status': 'affected', 'version': '0.2.6'}, {'status': 'affected', 'version': '0.2.7'}, {'status': 'affected', 'version': '0.2.8'}, {'status': 'affected', 'version': '0.2.9'}]}]
    Added Description A weakness has been identified in Sipeed PicoClaw up to 0.2.9. Impacted is the function isPrivateOrRestrictedIP of the file pkg/tools/integration/web.go of the component web_fetch. This manipulation causes server-side request forgery. The attack can be initiated remotely. The exploit has been made available to the public and could be used for attacks. Patch name: 2efbe5d560e7ed9bc5209c203dc4aa6ecdbc7405. To fix this issue, it is recommended to deploy a patch.
    Added CVSS V4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
    Added CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
    Added CVSS V2 (AV:N/AC:L/Au:S/C:P/I:P/A:P)
    Added CWE CWE-918
    Added Reference https://github.com/sipeed/picoclaw/
    Added Reference https://github.com/sipeed/picoclaw/commit/2efbe5d560e7ed9bc5209c203dc4aa6ecdbc7405
    Added Reference https://github.com/sipeed/picoclaw/issues/3077
    Added Reference https://github.com/sipeed/picoclaw/pull/3085
    Added Reference https://vuldb.com/cve/CVE-2026-16196
    Added Reference https://vuldb.com/submit/852963
    Added Reference https://vuldb.com/vuln/380012
    Added Reference https://vuldb.com/vuln/380012/cti
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.