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Pingpong CVE-2026-32097

HIGH
Authorization Bypass Through User-Controlled Key (CWE-639)
2026-03-11 security-advisories@github.com
8.8
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 valid PingPong user
  2. Exploit
    Access thread with permitted access
  3. Execution
    Manipulate file path parameters
  4. Impact
    Retrieve or delete unauthorized files

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V8 - Authorization Object-level authorization, IDOR prevention
Exploitation Conditions

Valid PingPong user account required. Attacker must have permission to view at least one thread (for file retrieval) or permission to participate in at least one thread (for file deletion). PingPong versions prior to 7.27.2.

Impact

Exploitation requires authentication.

Exploit ScenarioDerived

An attacker (requires authentication) could exploit this vulnerability to retrieval or deletion of private files, including user-uploaded files and model-.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
No patch listed yet 0.1% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 12, 2026

Authenticated users in PingPong versions prior to 7.27.2 can access and delete files beyond their authorization scope, potentially exposing or removing private user files and model outputs. An attacker with valid credentials and thread access can exploit improper access controls to retrieve or delete sensitive data belonging to other users. No patch is currently available for this high-severity vulnerability affecting the AI/ML teaching platform.

Earlier versions of this analysis (1)
v1 Mar 12, 2026 - 22:07 CVSS 8.8

for teaching and learning. versions up to 7.27.2 is affected by authorization bypass through user-controlled key.

RemediationAI

Fixed in version 7.27.2..

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

This vulnerability (CWE-639: Authorization Bypass Through User-Controlled Key) affects for teaching and learning.. PingPong is a platform for using large language models (LLMs) for teaching and learning. Prior to 7.27.2, an authenticated user may be able to retrieve or delete files outside the intended authorization scope. This issue could result in retrieval or deletion of private files, including user-uploaded files and model-generated output files. Exploitation required authentication and permission to view at least one thread for retrieval, and authentication and permission to participate in at least one

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Severity by source

GitHub Advisory PRIMARY 8.8 HIGH
AV:N/AC:L/PR:L/UI:N/S:U/C:H/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
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

DescriptionGitHub Advisory

PingPong is a platform for using large language models (LLMs) for teaching and learning. Prior to 7.27.2, an authenticated user may be able to retrieve or delete files outside the intended authorization scope. This issue could result in retrieval or deletion of private files, including user-uploaded files and model-generated output files. Exploitation required authentication and permission to view at least one thread for retrieval, and authentication and permission to participate in at least one thread for deletion. This vulnerability is fixed in 7.27.2.

Executive ViewAI

Why It Matters

Organizations using PingPong face significant risk from CVE-2026-32097, a IDOR vulnerability rated CVSS 8.8. Successful exploitation could significantly impact the confidentiality, integrity, or availability of affected systems. Organizations should apply vendor updates when available and consider compensating controls in the interim.

Business Impact: Severe
Compensating Controls

Apply vendor patch. If immediate patching is not feasible: (1) Implement network-level access controls to limit exposure; (2) Enable enhanced monitoring and alerting; (3) Apply principle of least privilege.

Threat Intelligence Overview

EPSS Score
0.1%
Top 79% exploitable
Data Quality
5 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 HIGH
CISA KEV No
Public POC No
EPSS 0.1%
Patch available No
Active threat No
Deciding rule
HIGH severity (CVSS 7.0-8.9)
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
No
Human Impact
Very High

Priority Score

44
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +44
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.

Affected Products (CPE)GitHub Advisory

cpe:2.3:a:harvard:pingpong:*:*:*:*:*:*:*:*

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