Severity:

CRITICAL RISK

(9.4)

Authentication Bypass / Access Control in s3-proxy

CVE-2026-42882

Published:

11 May 2026

Status:

Deferred

Summary

Affected Context

Exploit Preconditions

Why This Happens

Potential Impact

General Mitigation Guidance

How Teams Detect Issues Like This

Frequently Asked Questions

Source

NDV

Recent Vulnerabilities

CWE-74;CWE-94

HIGH RISK

HIGH

(7.3)

Code Injection (CWE-94) in ANTLR4 Grammar Action Block

Arbitrary Code Execution in Generated Artifacts

28 June 2026

CWE-74;CWE-89

HIGH RISK

HIGH

(7.3)

SQL Injection (CWE-89) in Restaurant Password Reset

Authentication Data Exposure and Account Compromise

28 June 2026

Vulnerability Type

Category:

Authentication Bypass / Access Control

CWE:

CWE-22;CWE-863

Impact:

Unauthenticated access to protected S3 objects (read, write, delete)

Severity:

CRITICAL RISK

(9.4)

CVSS Version:

3.1

Vulnerability Type

Category:

Authentication Bypass / Access Control

CWE:

CWE-22;CWE-863

Impact:

Unauthenticated access to protected S3 objects (read, write, delete)

Severity:

CRITICAL RISK

(9.4)

CVSS Version:

3.1

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Defensive + offensive security.

From first line of code to a pentest that knows every line of it.

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Authentication Bypass / Access Control in s3-proxy

Summary

Affected Context

Exploit Preconditions

Why This Happens

Potential Impact

General Mitigation Guidance

How Teams Detect Issues Like This

Frequently Asked Questions

Source

Recent Vulnerabilities

HIGH RISK

HIGH

(7.3)

Code Injection (CWE-94) in ANTLR4 Grammar Action Block

HIGH RISK

HIGH

(7.3)

SQL Injection (CWE-89) in Restaurant Password Reset

Vulnerability Type

Vulnerability Type

Vulnerability Type

Catch This CVE While Code Is Being Written

Ship clean & secure code faster

Ship clean & secure code faster

Ship clean & secure code faster

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