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.
Published: 2026-10-26
Score: n/a
EPSS: n/a
KEV: No
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Mon, 26 Oct 2026 15:45:00 +0000

Type Values Removed Values Added
Weaknesses CWE-601

Mon, 26 Oct 2026 14:00:00 +0000

Type Values Removed Values Added
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.
Title SSRF in Harbor webhook delivery allows ProjectAdmin to reach internal services
References

Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: certcc

Published:

Updated: 2026-10-26T13:39:48.420Z

Reserved: 2026-10-16T13:26:28.566Z

Link: CVE-2026-111590

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-10-26T14:16:28.310

Modified: 2026-10-26T14:16:28.310

Link: CVE-2026-111590

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-26T15:30:15Z

Weaknesses
  • CWE-601

    URL Redirection to Untrusted Site ('Open Redirect')