Is this vulnerability remotely exploitable?

Yes. If an attacker can obtain at least one valid JWT and the secret is weak, they can perform an offline brute-force attack from anywhere and then use forged tokens against exposed endpoints over the network.

Does exploitation require prior authentication?

Often, the attacker needs some way to capture a valid JWT, which may come from an existing low-privilege account, intercepted traffic, or leaked logs. However, they do not need administrative access; a basic user token is typically sufficient to recover the signing secret.

What is the safest general fix pattern?

Use strong, high-entropy secrets (or asymmetric key pairs) for JWT signing and manage them through secure secret storage with regular rotation. Combine this with robust server-side authorization checks that do not solely trust claims embedded in tokens.

Severity:

CRITICAL RISK

(9.8)

Improper Access Control via Weak JWT Secret (CWE-284) in parisneo/lollms Session Management

CVE-2026-1114

Published:

Apr 7, 2026

Status:

Analyzed

Summary

Affected Context

Exploit Preconditions

Why This Happens

Potential Impact

General Mitigation Guidance

How Teams Detect Issues Like This

Frequently Asked Questions

Source

NDV

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Vulnerability Type

Category:

Improper Access Control

CWE:

CWE-284

Impact:

Authentication Bypass and Privilege Escalation

Severity:

CRITICAL RISK

(9.8)

CVSS Version:

3.0

Vulnerability Type

Category:

Improper Access Control

CWE:

CWE-284

Impact:

Authentication Bypass and Privilege Escalation

Severity:

CRITICAL RISK

(9.8)

CVSS Version:

3.0

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Improper Access Control via Weak JWT Secret (CWE-284) in parisneo/lollms Session Management

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

(8.8)

PHP Code Injection via File Upload (CWE-94) in Aero CMS Admin Post Creation

HIGH RISK

HIGH

(8.8)

Code Injection (CWE-94) via Module Parameters in Evolution CMS

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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