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CVE-2026-15619— mosaxiv clawlet IPv4 tool_web_fetch.go web_fetch server-side request forgery

Quick assessment

Affected
mosaxiv clawlet
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

mosaxiv clawlet是mosaxiv个人开发者的一款服务器管理软件。 mosaxiv clawlet存在服务端请求伪造漏洞，该漏洞源于IPv4 Handler组件中tools/tool_web_fetch.go文件的web_fetch函数对参数url的操作问题，可能导致服务器端请求伪造。

CVSS 6.3 · Medium EPSS 0.43% · P35

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 11

VendorProduct Version RangeStatus
mosaxiv clawlet 0.2.0 affected
0.2.1 affected
0.2.2 affected
0.2.3 affected
0.2.4 affected
0.2.5 affected
0.2.6 affected
0.2.7 affected
… +3 more rows
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I. Basic Information for CVE-2026-15619

Vulnerability Information
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Vulnerability Title
mosaxiv clawlet IPv4 tool_web_fetch.go web_fetch server-side request forgery
Source: CVE Program / CVE List V5
Vulnerability Description
A weakness has been identified in mosaxiv clawlet up to 0.2.10. The impacted element is the function web_fetch of the file tools/tool_web_fetch.go of the component IPv4 Handler. This manipulation of the argument url 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. The reported GitHub issue was closed with the label "not planned".
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
服务端请求伪造(SSRF)
Source: CVE Program / CVE List V5
Vulnerability Title
mosaxiv clawlet 服务端请求伪造漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
mosaxiv clawlet是mosaxiv个人开发者的一款服务器管理软件。 mosaxiv clawlet存在服务端请求伪造漏洞，该漏洞源于IPv4 Handler组件中tools/tool_web_fetch.go文件的web_fetch函数对参数url的操作问题，可能导致服务器端请求伪造。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
mosaxiv clawlet 0.2.0 cpe:2.3:a:mosaxiv:clawlet:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-15619

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III. Intelligence Information for CVE-2026-15619

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News Coverage for CVE-2026-15619 (1)

Same Patch Batch · mosaxiv · 2026-07-14 · 3 CVEs total

CVE-2026-15620 6.3 MEDIUM mosaxiv clawlet tool_web_fetch.go tools.webFetch server-side request forgery
CVE-2026-15621 5.3 MEDIUM mosaxiv clawlet File Tools fs_ops.go edit_file link following

IV. Related Vulnerabilities

Same product: clawlet
Same vendor: mosaxiv
Same weakness: CWE-918

V. Comments for CVE-2026-15619

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