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Pear CVE-2026-25233

CRITICAL
Operator Precedence Logic Error (CWE-783)
2026-02-03 security-advisories@github.com
9.1
CVSS 3.1 · GitHub Advisory
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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain

  1. Access
    Authenticate as non-lead maintainer
  2. Exploit
    Send roadmap creation request
  3. Execution
    Bypass role validation logic
  4. Impact
    Create/update/delete roadmap without authorization

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A06:2021 - Vulnerable and Outdated Components
ASVS 5.0
V15 - Secure Coding and Architecture Operator precedence logic error
Exploitation Conditions

PEAR framework versions prior to 1.33.0 with maintainer account access. Attacker requires valid credentials as non-lead maintainer to exploit the roadmap role check bypass.

Impact

CVSS 9.1 — PEAR is a widely-used PHP component framework. Logic bugs in authorization are often more reliable to exploit than memory corruption.

Exploit ScenarioDerived

An attacker crafts requests that exploit the operator precedence error to bypass authorization checks and access restricted roadmap data and functionality.

Act Now Prioritize within 24-48h. Why: CRITICAL severity.
No patch listed yet 0.1% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 12, 2026

PEAR PHP framework prior to 1.33.0 has a logic bug in the roadmap feature allowing unauthorized access through incorrect operator comparison.

Earlier versions of this analysis (1)
v1 Mar 12, 2026 - 21:54 CVSS 9.1

Logic bug in PEAR framework roadmap enables unauthorized access.

RemediationAI

Update PEAR to 1.33.0 or later.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

PEAR < 1.33.0 has a CWE-783 operator precedence logic error that creates an authentication bypass in the roadmap feature, allowing unauthorized users to access restricted functionality.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

GitHub Advisory PRIMARY 9.1 CRITICAL
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

Primary rating from GitHub Advisory · only source for this CVE.

CVSS VectorGitHub Advisory

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
High

DescriptionGitHub Advisory

PEAR is a framework and distribution system for reusable PHP components. Prior to version 1.33.0, logic bug in the roadmap role check allows non-lead maintainers to create, update, or delete roadmaps. This issue has been patched in version 1.33.0.

Executive ViewAI

Why It Matters

A critical vulnerability in PEAR PHP framework (CVE-2026-25233) allows unauthorized users to manipulate roadmap data, potentially compromising project planning integrity and data governance. Organizations using PEAR versions below 1.33.0 face immediate risk of unauthorized changes to critical infrastructure documentation and project timelines.

Business Impact: High
Compensating Controls

Disable roadmap functionality in PEAR if not operationally critical; implement Web Application Firewall (WAF) rules to restrict roadmap create/update/delete endpoints to whitelisted IP addresses and authenticated lead maintainers only; enforce database transaction logging and implement role-based access control (RBAC) at the application layer to prevent non-lead users from executing roadmap operations; monitor and alert on all roadmap modification attempts.

Threat Intelligence Overview

EPSS Score
0.1%
Top 83% exploitable
Data Quality
4 sources
Confidence: Medium

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity CRITICAL
CISA KEV No
Public POC No
EPSS 0.1%
Patch available No
Active threat No
Deciding rule
CRITICAL severity
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
Yes
Human Impact
High

Priority Score

46
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +46
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Affected Products (CPE)GitHub Advisory

cpe:2.3:a:pear:pearweb:*:*:*:*:*:*:*:*

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