CVE-2026-100870

HIGHCVSS 8.8/10

Last modified

CVE-2026-100870 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. Sylius versions before 1.12.25, 1.13.17, 1.14.20, 2.1.16, and 2.2.9 build administrator password-reset links using the request Host header without validation, allowing unauthenticated attackers to redirect reset tokens to attacker-controlled domains. Attackers can request password resets for known administrator email addresses with forged Host headers to intercept valid reset tokens and take over administrator accounts..

Description

Sylius versions before 1.12.25, 1.13.17, 1.14.20, 2.1.16, and 2.2.9 build administrator password-reset links using the request Host header without validation, allowing unauthenticated attackers to redirect reset tokens to attacker-controlled domains. Attackers can request password resets for known administrator email addresses with forged Host headers to intercept valid reset tokens and take over administrator accounts.

Metrics

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
SyliusSylius>= 1.12.0, < 1.12.25; >= 1.13.0, < 1.13.17; >= 1.14.0, < 1.14.20; >= 2.0.0, < 2.1.16; >= 2.2.0, < 2.2.9

References

Timeline

Published
Last Modified
Status
Received

Frequently Asked Questions

What is CVE-2026-100870?
Sylius versions before 1.12.25, 1.13.17, 1.14.20, 2.1.16, and 2.2.9 build administrator password-reset links using the request Host header without validation, allowing unauthenticated attackers to redirect reset tokens to attacker-controlled domains. Attackers can request password resets for known administrator email addresses with forged Host headers to intercept valid reset tokens and take over administrator accounts.
How severe is CVE-2026-100870?
CVE-2026-100870 has a CVSS score of 8.8/10 (HIGH severity).
How do I fix CVE-2026-100870?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

How Strix Helps

Related CVEs from 2026

Are you affected by CVE-2026-100870?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST