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VulnerabilityPublished Updated

CVE-2024-45522: Improper Access Control

Source CVE Database V5

0

Not known to be exploited · CVSS 9.1 Critical.

Data as of 26 Oct 2026, 09:15 UTC

CVSS 3.1 base score
9.1Critical
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.5% chance of exploitation in 30 days – higher than 45% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 1 Sep 2024

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

AI-suggested

To mitigate this vulnerability, organizations should immediately implement strict domain validation checks in the password reset workflow to ensure that only requests originating from linen.dev or www.linen.dev are processed. This can be done by validating the HTTP Referer header, enforcing server-side domain checks, or implementing token-based verification tied to legitimate domain requests. Additionally, applying the patch identified by commit cd37c3e or updating to a fixed version of Linen is critical once available. Monitoring password reset logs for unusual patterns or spikes in reset requests can help detect exploitation attempts early. Employing multi-factor authentication (MFA) can reduce the impact of compromised accounts. Security teams should conduct thorough code reviews of authentication and password reset mechanisms to identify similar domain validation issues. Finally, educating users about phishing risks and encouraging strong, unique passwords can further reduce risk.

Description

Linen before cd37c3e does not verify that the domain is linen.dev or www.linen.dev when resetting a password. This occurs in create in apps/web/pages/api/forgot-password/index.ts.

References

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