Pre-auth internal response disclosure via webhook SSRF
Published May 26, 2026 · Updated May 26, 2026
SSRF in Dozzle before 10.5.2 allows remote attackers to read internal response data through the unauthenticated test-webhook endpoint. The handler passes the submitted URL and headers to WebhookDispatcher without destination validation, then reflects up to 1 MB from non-2xx responses. In the default no-auth deployment, any network client can probe hosts routable from the Dozzle server and retrieve error-response bodies.
Summary
What happened
SSRF in Dozzle before 10.5.2 allows remote attackers to read internal response data through the unauthenticated test-webhook endpoint. The handler passes the submitted URL and headers to WebhookDispatcher without destination validation, then reflects up to 1 MB from non-2xx responses. In the default no-auth deployment, any network client can probe hosts routable from the Dozzle server and retrieve error-response bodies.
The record
- CVE
- CVE-2026-45298
- Published
- May 26, 2026
- Updated
- May 26, 2026
- Vendor
- Amir Raminfar
- Product
- Dozzle
- Classifications
- CWE-918, T1190
- Attack vector
- network
- Privileges
- unauthenticated
Timeline
How it unfolded
- May 26, 2026CVE publishedPublication date reported by the CVE source.
- May 26, 2026Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=< 10.5.2
What conditions does exploitation require?
What is affected?
Published CVSS scores
CVSS describes severity. EPSS estimates exploitation probability.
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
Public exploit references
- ProjectDiscovery Nuclei CVE-2026-45298 templatefunctional · validated
- GitHub advisory curl proof of conceptproof of concept · demonstrated
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Technologies
Your stack
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Your stack
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