Ghidra before 12.1 contains an authentication bypass vulnerability in PKIAuthenticationModule.authenticate() that allows any user with a valid CA-signed certificate to impersonate other users by presenting their public certificate with a null signature. Attackers can escalate privileges, modify repository access controls, exfiltrate shared reverse engineering databases, and permanently compromise server integrity.
{
"cna_assigner": "VulnCheck",
"cwe_ids": [
"CWE-347"
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/52xxx/CVE-2026-52754.json"
}{
"extracted_events": [
{
"cpe": "cpe:2.3:a:nsa:ghidra:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"fixed": "12.1"
}
],
"source": "CPE_RANGE"
},
{
"range": [
{
"fixed": "78729379e471bbb3d969409be6a8c3d24af84220"
}
],
"source": "REFERENCES_COMMIT"
},
{
"range": [
{
"fixed": "79d8f164f8bb8b15cfb60c5d4faeb8e1c25d15ca"
}
],
"source": "REFERENCES_COMMIT"
}
]
}