CVE-2026-100870 Sylius - Open Redirect

Sylius < 1.12.25, 1.13.17, 1.14.20, 2.1.16, and 2.2.9 contains an open redirect vulnerability caused by unvalidated use of the request Host header in administrator password-reset links, letting unauthenticated attackers redirect reset tokens to attacker-controlled domains, exploit requires attacker to send forged Host headers.

CVSS base score 8.8 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.31% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Open Redirect
Impact
Broken Authentication
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Published
27 September 2026
Updated
15 October 2026
Weakness
CWE-640

Vendor fix

Update to versions 1.12.25, 1.13.17, 1.14.20, 2.1.16, 2.2.9 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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