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CVE-2026-73087

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

LOW
2.3
CVSS Score
Published: August 11, 2026 at 04:52 PM UTC
Updated: October 24, 2026 at 03:10 PM UTC
1 product affected across 1 vendorDozzle

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Severity
LOW2.3
Exploit prediction
EPSS 0.5%
SSVC
PoC

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Dozzle· AMIR20
90%
v < 10.6.15
Affected range stops below 10.6.15, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (4)

x_refsource_CONFIRM
Source: cverecord
https://github.com/amir20/dozzle/security/advisories/GHSA-p2w3-6x73-2f6x
x_refsource_MISC
Source: cverecord
https://github.com/amir20/dozzle/pull/4887
x_refsource_MISC
Source: cverecord
https://github.com/amir20/dozzle/commit/8cf7ccd5ee041ecaea92b49951793d4d2393761f
x_refsource_MISC
Source: cverecord
https://github.com/amir20/dozzle/releases/tag/v10.6.15

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

2.3LOWGitHub_M
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-918

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