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CVE-2026-73087— Dozzle: SSRF guard bypass via IPv6 transition addresses (6to4/NAT64/Teredo) in webhook notification dispatcher

Quick assessment

Affected
amir20 dozzle
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.

Amir Raminfar Dozzle是Amir Raminfar个人开发者的一款实时查看Docker容器日志的界面工具。 Amir Raminfar Dozzle 10.5.2版本至10.6.15之前版本存在服务端请求伪造漏洞，该漏洞源于isBlockedIP SSRF防护未检查嵌入在6to4、NAT64、Teredo或IPv4兼容IPv6地址中的IPv4地址，可能允许经身份验证的用户访问回环或链路本地目标。

CVSS 2.3 · Low EPSS 0.27% · P19

Affected Version Matrix 1

VendorProduct Version RangeStatus
amir20 dozzle < 10.6.15 affected
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I. Basic Information for CVE-2026-73087

Vulnerability Information
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Vulnerability Title
Dozzle: SSRF guard bypass via IPv6 transition addresses (6to4/NAT64/Teredo) in webhook notification dispatcher
Source: CVE Program / CVE List V5
Vulnerability Description
Dozzle is a realtime log viewer for docker containers. From 10.5.2 until 10.6.15, the isBlockedIP SSRF guard in internal/notification/dispatcher/webhook.go, used by safeDialContext for webhook notification URLs, does not inspect IPv4 addresses embedded in 6to4, NAT64, Teredo, or IPv4-compatible IPv6 addresses, allowing an authenticated user to reach loopback or link-local targets that the guard intends to block. This issue is fixed in version 10.6.15.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
服务端请求伪造(SSRF)
Source: CVE Program / CVE List V5
Vulnerability Title
Amir Raminfar Dozzle 服务端请求伪造漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Amir Raminfar Dozzle是Amir Raminfar个人开发者的一款实时查看Docker容器日志的界面工具。 Amir Raminfar Dozzle 10.5.2版本至10.6.15之前版本存在服务端请求伪造漏洞，该漏洞源于isBlockedIP SSRF防护未检查嵌入在6to4、NAT64、Teredo或IPv4兼容IPv6地址中的IPv4地址，可能允许经身份验证的用户访问回环或链路本地目标。
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
amir20 dozzle < 10.6.15 -

II. Public POCs for CVE-2026-73087

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III. Intelligence Information for CVE-2026-73087

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Patches & Fixes for CVE-2026-73087 (3)

Vendor Advisories for CVE-2026-73087 (1)

IV. Related Vulnerabilities

Same product: dozzle
Same vendor: amir20
Same weakness: CWE-918

V. Comments for CVE-2026-73087

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