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MLflow: Unauthenticated full-read SSRF in webhook delivery: _validate_webhook_url bypassed via unvalidated HTTP redirects (and DNS rebinding)

🗓️ 19 Aug 2026 11:56:27Reported by Python Packaging AdvisoryType 
pypa
 pypa🔗 github.com👁 4 Views

Unauthenticated SSRF in MLflow webhooks: _validate_webhook_url bypassed via unvalidated HTTP redirects and DNS rebinding.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
circl
Circl		CVE-2026-64849
17 Aug 202622:35
–circl
cisa_kev
CISA KEV Catalog		MLflow Server-Side Request Forgery Vulnerability
19 Aug 202600:00
–cisa_kev
cve
CVE		CVE-2026-64849
17 Aug 202621:16
–cve
cvelist
Cvelist		CVE-2026-64849 MLflow: Unauthenticated full-read SSRF in webhook delivery: _validate_webhook_url bypassed via unvalidated HTTP redirects (and DNS rebinding)
17 Aug 202621:16
–cvelist
githubexploit
GithubExploit		Exploit for CVE-2026-64849
19 Aug 202614:16
–githubexploit
euvd
EUVD		EUVD-2026-60473
17 Aug 202621:16
–euvd
github
Github Security Blog		MLflow: Unauthenticated full-read SSRF in webhook delivery: _validate_webhook_url bypassed via unvalidated HTTP redirects (and DNS rebinding)
17 Aug 202621:58
–github
nuclei
Nuclei		MLflow Webhook SSRF - Unauthenticated Full-Read via Redirect Bypass
20 Aug 202604:29
–nuclei
nvd
NVD		CVE-2026-64849
17 Aug 202622:17
–nvd
osv
OSV		GHSA-7GWP-5PFP-969J MLflow: Unauthenticated full-read SSRF in webhook delivery: _validate_webhook_url bypassed via unvalidated HTTP redirects (and DNS rebinding)
17 Aug 202621:58
–osv
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Vulners
Node
pypimlflowRange0–3.15.0

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19 Aug 2026 12:16Current
8.7High risk
Vulners AI Score8.7
CVSS 3.19.3
EPSS0.01109
SSVC
MLflowSSRFwebhook deliveryHTTP redirectunauthenticatedIP validation bypassmodel registry
4