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Vulnerability Details :

CVE-2026-52754

Summary
Assigner-VulnCheck
Assigner Org ID-83251b91-4cc7-4094-a5c7-464a1b83ea10
Published At-10 Jun, 2026 | 12:40
Updated At-10 Jun, 2026 | 13:53
Rejected At-
Credits

Ghidra < 12.1 - Authentication Bypass via Null Signature in PKIAuthenticationModule

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.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
â–¼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:VulnCheck
Assigner Org ID:83251b91-4cc7-4094-a5c7-464a1b83ea10
Published At:10 Jun, 2026 | 12:40
Updated At:10 Jun, 2026 | 13:53
Rejected At:
â–¼CVE Numbering Authority (CNA)
Ghidra < 12.1 - Authentication Bypass via Null Signature in PKIAuthenticationModule

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.

Affected Products
Vendor
nationalsecurityagency
Product
ghidra
Repo
https://github.com/nationalsecurityagency/ghidra
Default Status
unaffected
Versions
Affected
  • From 0 before 12.1 (custom)
Unaffected
  • 12.1 (custom)
Problem Types
TypeCWE IDDescription
CWECWE-347Improper Verification of Cryptographic Signature
Type: CWE
CWE ID: CWE-347
Description: Improper Verification of Cryptographic Signature
Metrics
VersionBase scoreBase severityVector
4.08.7HIGH
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
3.18.8HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Version: 4.0
Base score: 8.7
Base severity: HIGH
Vector:
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Version: 3.1
Base score: 8.8
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

reporter
@jro-calif
finder
Sean Nejad (@allsmog)
Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
https://github.com/NationalSecurityAgency/ghidra/security/advisories/GHSA-5wxq-7qpv-65p2
vendor-advisory
https://github.com/NationalSecurityAgency/ghidra/commit/78729379e471bbb3d969409be6a8c3d24af84220
patch
https://github.com/NationalSecurityAgency/ghidra/commit/79d8f164f8bb8b15cfb60c5d4faeb8e1c25d15ca
patch
https://www.vulncheck.com/advisories/ghidra-authentication-bypass-via-null-signature-in-pkiauthenticationmodule
third-party-advisory
Hyperlink: https://github.com/NationalSecurityAgency/ghidra/security/advisories/GHSA-5wxq-7qpv-65p2
Resource:
vendor-advisory
Hyperlink: https://github.com/NationalSecurityAgency/ghidra/commit/78729379e471bbb3d969409be6a8c3d24af84220
Resource:
patch
Hyperlink: https://github.com/NationalSecurityAgency/ghidra/commit/79d8f164f8bb8b15cfb60c5d4faeb8e1c25d15ca
Resource:
patch
Hyperlink: https://www.vulncheck.com/advisories/ghidra-authentication-bypass-via-null-signature-in-pkiauthenticationmodule
Resource:
third-party-advisory
â–¼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
Information is not available yet
â–¼National Vulnerability Database (NVD)
nvd.nist.gov
Source:disclosure@vulncheck.com
Published At:10 Jun, 2026 | 14:16
Updated At:10 Jun, 2026 | 19:43

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.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary4.08.7HIGH
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Primary3.18.8HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Type: Secondary
Version: 4.0
Base score: 8.7
Base severity: HIGH
Vector:
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Type: Primary
Version: 3.1
Base score: 8.8
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CPE Matches

Weaknesses
CWE IDTypeSource
CWE-347Primarydisclosure@vulncheck.com
CWE ID: CWE-347
Type: Primary
Source: disclosure@vulncheck.com
Evaluator Description

Evaluator Impact

Evaluator Solution

Vendor Statements

References
HyperlinkSourceResource
https://github.com/NationalSecurityAgency/ghidra/commit/78729379e471bbb3d969409be6a8c3d24af84220disclosure@vulncheck.com
N/A
https://github.com/NationalSecurityAgency/ghidra/commit/79d8f164f8bb8b15cfb60c5d4faeb8e1c25d15cadisclosure@vulncheck.com
N/A
https://github.com/NationalSecurityAgency/ghidra/security/advisories/GHSA-5wxq-7qpv-65p2disclosure@vulncheck.com
N/A
https://www.vulncheck.com/advisories/ghidra-authentication-bypass-via-null-signature-in-pkiauthenticationmoduledisclosure@vulncheck.com
N/A
Hyperlink: https://github.com/NationalSecurityAgency/ghidra/commit/78729379e471bbb3d969409be6a8c3d24af84220
Source: disclosure@vulncheck.com
Resource: N/A
Hyperlink: https://github.com/NationalSecurityAgency/ghidra/commit/79d8f164f8bb8b15cfb60c5d4faeb8e1c25d15ca
Source: disclosure@vulncheck.com
Resource: N/A
Hyperlink: https://github.com/NationalSecurityAgency/ghidra/security/advisories/GHSA-5wxq-7qpv-65p2
Source: disclosure@vulncheck.com
Resource: N/A
Hyperlink: https://www.vulncheck.com/advisories/ghidra-authentication-bypass-via-null-signature-in-pkiauthenticationmodule
Source: disclosure@vulncheck.com
Resource: N/A

Change History

0
Information is not available yet

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CWE ID-CWE-347
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Matching Score-4
Assigner-CERT@VDE
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Matching Score-4
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Improper Verification of Cryptographic Signature
CVE-2024-21669
Matching Score-4
Assigner-GitHub, Inc.
ShareView Details
Matching Score-4
Assigner-GitHub, Inc.
CVSS Score-9.9||CRITICAL
EPSS-0.14% / 33.20%
||
7 Day CHG~0.00%
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Updated-03 Jun, 2025 | 14:25
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
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Action-Not Available
Vendor-hyperledgerhyperledger
Product-aries_cloud_agentaries-cloudagent-python
CWE ID-CWE-347
Improper Verification of Cryptographic Signature
CVE-2024-22461
Matching Score-4
Assigner-Dell
ShareView Details
Matching Score-4
Assigner-Dell
CVSS Score-8.8||HIGH
EPSS-1.87% / 83.49%
||
7 Day CHG~0.00%
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Updated-04 Feb, 2025 | 15:52
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

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CWE ID-CWE-347
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Matching Score-4
Assigner-Microsoft Corporation
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Matching Score-4
Assigner-Microsoft Corporation
CVSS Score-7.5||HIGH
EPSS-0.27% / 50.92%
||
7 Day CHG-0.09%
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Updated-26 Feb, 2026 | 18:29
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Azure Functions Remote Code Execution Vulnerability

Improper verification of cryptographic signature in Microsoft Azure Functions allows an authorized attacker to execute code over a network.

Action-Not Available
Vendor-Microsoft Corporation
Product-azure_functionsAzure Functions
CWE ID-CWE-347
Improper Verification of Cryptographic Signature
CVE-2023-5747
Matching Score-4
Assigner-Hanwha Vision Co., Ltd.
ShareView Details
Matching Score-4
Assigner-Hanwha Vision Co., Ltd.
CVSS Score-7.2||HIGH
EPSS-0.34% / 57.11%
||
7 Day CHG~0.00%
Published-13 Nov, 2023 | 07:48
Updated-02 Aug, 2024 | 08:07
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Command injection via wave install file

Bashis, a Security Researcher at IPVM has found a flaw that allows for a remote code execution during the installation of Wave on the camera device. The Wave server application in camera device was vulnerable to command injection allowing an attacker to run arbitrary code. HanwhaVision has released patched firmware for the highlighted flaw. Please refer to the hanwhavision security report for more information and solution."

Action-Not Available
Vendor-hanwhavisionHanwha Vision Co., Ltd.
Product-pno-a6081r-e1twave_server_softwarepno-a6081r-e1t_firmwarepno-a6081r-e2tpno-a6081r-e2t_firmwarePNV-A6081R
CWE ID-CWE-345
Insufficient Verification of Data Authenticity
CWE ID-CWE-347
Improper Verification of Cryptographic Signature
Details not found