CVE-2026-42606

Description

AzuraCast is a self-hosted, all-in-one web radio management suite. Prior to version 0.23.6, the ApplyXForwarded middleware unconditionally trusts the client-supplied X-Forwarded-Host HTTP header with no trusted proxy allowlist. An unauthenticated attacker can poison the password reset URL sent to any user by injecting this header when triggering the forgot-password flow. When the victim clicks the poisoned link, their reset token is exfiltrated to the attacker's server. The attacker then uses the token on the real instance to reset the victim's password and destroy their 2FA configuration, achieving full account takeover. This issue has been patched in version 0.23.6.

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CVSS v3.1 Score

8.1

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

EPSS — Exploit Prediction

0.0007

Probability of exploitation

0.21%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-640 CWE-640

Affected Products

Vendor	Product	Versions
azuracast	azuracast	< 0.23.6

References

Advisories & Patches

https://github.com/AzuraCast/AzuraCast/commit/7c622a18b451533de317e53862b1f84acf4efd85 https://github.com/AzuraCast/AzuraCast/security/advisories/GHSA-gv7r-3mr9-h5x8 https://github.com/AzuraCast/AzuraCast/security/advisories/GHSA-gv7r-3mr9-h5x8

Exploits

https://github.com/AzuraCast/AzuraCast/security/advisories/GHSA-gv7r-3mr9-h5x8 https://github.com/AzuraCast/AzuraCast/security/advisories/GHSA-gv7r-3mr9-h5x8

Other References

https://github.com/AzuraCast/AzuraCast/releases/tag/0.23.6

Frequently Asked Questions

What is CVE-2026-42606? +

AzuraCast is a self-hosted, all-in-one web radio management suite. Prior to version 0.23.6, the ApplyXForwarded middleware unconditionally trusts the client-supplied X-Forwarded-Host HTTP header with no trusted proxy allowlist. An unauthenticated attacker can poison the password reset URL sent to any user by injecting this header when triggering the forgot-password flow. When the victim clicks the poisoned link, their reset token is exfiltrated to the attacker's server. The attacker then uses the token on the real instance to reset the victim's password and destroy their 2FA configuration, achieving full account takeover. This issue has been patched in version 0.23.6. It has a CVSS v3.1 base score of 8.1 (HIGH).

How severe is CVE-2026-42606? +

CVE-2026-42606 has a CVSS v3.1 score of 8.1 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching. The EPSS score is 0.0007, placing it in the 0th percentile for exploitation probability.

What products are affected by CVE-2026-42606? +

CVE-2026-42606 affects products from azuracast, specifically: azuracast. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2026-42606? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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