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CVE-2026-111590

SSRF in Harbor webhook delivery allows ProjectAdmin to reach internal services

N/A
Published: October 26, 2026 at 01:39 PM UTC
Updated: October 26, 2026 at 06:39 PM UTC
1 product affected across 1 vendorHarbor

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Severity
N/A
Exploit prediction
EPSS 0.2%

Description

A wide range of Harbor versions allow SSRF via its webhook delivery component which does not properly validate web hook target addresses, allowing usage of private and link-local IP ranges. An authenticated attacker with ProjectAdmin permissions can configure a webhook policy pointing to a private internal address. When a project event fires, Harbor jobservice makes unauthenticated outbound HTTP POST requests to the target. If the target answers with an error status, the response body is written to the webhook execution log, which project members can read, potentially exposing cloud metadata or other network-restricted resources.

Affected

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

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 (1)

Source: cverecord
https://github.com/goharbor/harbor/security/advisories/GHSA-2phj-cp9f-qq6w

Quick Info

StatusAWAITING ANALYSIS

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