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GHSA-xghw-p77p-3r7x

MediumCVSS 6.3 / 10
Published Aug 14, 2026·Last modified Aug 14, 2026
Affected Components(1)
Go logogithub.com/hyperledger/fabric-ca
< 1.5.21
Description

When fabric-ca is configured with an LDAP backend, the username from HTTP Basic authentication is included in an LDAP uid search filter without proper escaping. An unauthenticated attacker with network access to the CA enrollment endpoint could exploit this to perform LDAP injection before password validation, and potentially steer authentication attempts toward a victim account.

Recommendation

  • All users of fabric-ca with an LDAP backend should update to a fixed version.
  • For users not using an LDAP backend, no action is required.
Risk Scores
Base Score
6.3

The vulnerability can be exploited over the network without needing physical access. It is easy for an attacker to exploit this vulnerability. An attacker does not need any special privileges or access rights. No user interaction is needed for the attacker to exploit this vulnerability.

Threat Intelligence
1.7

Limited exploitation activity has been observed. Close monitoring and planned remediation are recommended.

EPSS
N/A

Probability that this vulnerability will be exploited in the wild within the next 30 days.

Exploit
Not available

We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.

Related Vulnerabilities
  • CVE-2026-53658
    Alias

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Medium severity
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