VulnerabilityPublished 11 Mar 2026

CVE-2026-32097: comppolicylab pingpong · Insecure Direct Object Reference

Affects comppolicylab pingpongSource CVE Database V5

Compare

Not known to be exploited · CVSS 8.6 High : upgrade to 7.27.2 soon.

Data as of 30 Oct 2026, 11:52 UTC

CVSS 4.0 base score

8.6High

How severe the flaw is on the 0–10 CVSS scale.

EPSS: 0.2% chance of exploitation in 30 days – higher than 22% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch: Available – fixed in 7.27.2

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

Attack Vector: Network
Attack Complexity: Low
Attack Requirements: None
Privileges Required: Low
User Interaction: None
Vulnerable system confidentiality: High
Vulnerable system integrity: High
Vulnerable system availability: None
Subsequent system confidentiality: None
Subsequent system integrity: None
Subsequent system availability: None

Bold values are the worst case: easiest to exploit or largest impact.

Attack Vector: Network: The vulnerable system is bound to the network stack and the set of possible attackers extends beyond the other options listed below, up to and including the entire Internet. Such a vulnerability is often termed “remotely exploitable” and can be thought of as an attack being exploitable at the protocol level one or more network hops away (e.g., across one or more routers).
Attack Complexity: Low: The attacker must take no measurable action to exploit the vulnerability. The attack requires no target-specific circumvention to exploit the vulnerability. An attacker can expect repeatable success against the vulnerable system.
Attack Requirements: None: The successful attack does not depend on the deployment and execution conditions of the vulnerable system. The attacker can expect to be able to reach the vulnerability and execute the exploit under all or most instances of the vulnerability.
Privileges Required: Low: The attacker requires privileges that provide basic capabilities that are typically limited to settings and resources owned by a single low-privileged user. Alternatively, an attacker with Low privileges has the ability to access only non-sensitive resources.
User Interaction: None: The vulnerable system can be exploited without interaction from any human user, other than the attacker.
Vulnerable system confidentiality: High: There is a total loss of confidentiality, resulting in all information within the Vulnerable System being divulged to the attacker. Alternatively, access to only some restricted information is obtained, but the disclosed information presents a direct, serious impact. For example, an attacker steals the administrator's password, or private encryption keys of a web server.
Vulnerable system integrity: High: There is a total loss of integrity, or a complete loss of protection. For example, the attacker is able to modify any/all files protected by the vulnerable system. Alternatively, only some files can be modified, but malicious modification would present a direct, serious consequence to the vulnerable system.
Vulnerable system availability: None: There is no impact to availability within the Vulnerable System.
Subsequent system confidentiality: None: There is no loss of confidentiality within the Subsequent System or all confidentiality impact is constrained to the Vulnerable System.
Subsequent system integrity: None: There is no loss of integrity within the Subsequent System or all integrity impact is constrained to the Vulnerable System.
Subsequent system availability: None: There is no impact to availability within the Subsequent System or all availability impact is constrained to the Vulnerable System.

Definitions: FIRST CVSS v4.0 specification.

Exploitation evidence

Disclosed: evidence found.
CVE published 11 Mar 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 30 Oct 2026.

Disclosed: The CVE record is public on cve.org. Its publication is t = 0.
Detectable: A public nuclei template can find exposed instances, for defenders and attackers alike.
Weaponized: A Metasploit exploit module or Exploit-DB entry exists (Metasploit scanner modules do not count), or CISA SSVC or the CVSS exploit maturity reports a public proof of concept.
Exploited in the wild: CISA KEV lists it, CISA SSVC rates exploitation active, or a source reports attacks.
Observed by OffSeq Mirage: OffSeq Mirage honeypot sensors recorded attack traffic for this CVE, or found exposed hosts without attack traffic.

Moments are spaced evenly, not to scale; a dashed line marks a gap of six months or more. Deltas count from t = 0. Sources that give only a date (CISA KEV, Exploit-DB, or a time of exactly 00:00Z) read “same day” rather than hours. Metasploit modules carry the flaw’s disclosure date, not their release date, and nuclei templates carry no date, so both appear above but not on the timeline.

What to do

Upgrade pingpong and comppolicylab/pingpong to 7.27.2.

Affected software

Product	Affected	Fixed in
comppolicylabpingpong	Affected <7.27.2	Fixed in 7.27.2
GitHubcomppolicylab/pingpong`pkg:github/comppolicylab/pingpong`Other threats	Affected <7.27.2	Fixed in 7.27.2

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

To mitigate CVE-2026-32097, organizations should immediately upgrade the PingPong platform to version 7.27.2 or later, where the vulnerability is fixed. Until patching is possible, restrict access to the platform by enforcing strict authentication and authorization controls, ensuring users have the minimum necessary permissions. Implement monitoring and alerting for unusual file access or deletion activities, particularly by users with limited thread permissions. Conduct regular audits of user permissions and thread participation to detect and remove unnecessary privileges. Employ network segmentation and access controls to limit exposure of the PingPong platform to trusted users only. Additionally, maintain regular backups of critical files to enable recovery in case of unauthorized deletion. Educate users about the risks of credential compromise and enforce strong authentication mechanisms such as multi-factor authentication to reduce the risk of account takeover. Finally, review and harden authorization logic in custom integrations or extensions of the platform to prevent similar bypass issues.

Description

CVE-2026-32097 is a high-severity authorization bypass vulnerability in the PingPong platform by comppolicylab, affecting versions prior to 7.27.2. Authenticated users with minimal permissions can exploit this flaw to retrieve or delete files outside their authorized scope, including private user-uploaded and model-generated files. Exploitation requires authentication and some level of thread access but no user interaction or elevated privileges beyond limited read or participation rights. The vulnerability stems from improper authorization checks related to user-controlled keys, classified under CWE-639. No known exploits are currently reported in the wild, and the issue is fixed in version 7.27.2. Organizations using affected versions should prioritize patching to prevent potential data breaches or data loss.

Impact

The impact of CVE-2026-32097 is significant for organizations using the PingPong platform, especially educational institutions and research organizations that handle sensitive or proprietary data. Unauthorized retrieval of private files can lead to data breaches, exposing confidential user information and intellectual property. Unauthorized deletion of files can result in data loss, disrupting workflows and potentially causing loss of critical research outputs or educational content. Since the vulnerability requires only minimal authenticated access, insider threats or compromised user accounts could be leveraged to exploit this flaw. The integrity and confidentiality of data are at high risk, which could undermine trust in the platform and lead to regulatory or compliance issues. Additionally, the ability to delete files without proper authorization could be used to sabotage data or cover tracks after further malicious activity. Although no availability impact is noted, the operational disruption caused by data loss can be substantial. Organizations worldwide that rely on PingPong for LLM-based teaching and learning are at risk until they apply the patch.

CWE-639Authorization Bypass Through User-Controlled Key (opens in a new tab)
Base weaknessLikelihood of exploit: HighCWE Top 25 (2025): #24OWASP Top 10 A01:2025: Broken Access Control (opens in a new tab)
The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data.
Architecture and Design
For each and every data access, ensure that the user has sufficient privilege to access the record that is being requested.
Architecture and Design · Implementation
Make sure that the key that is used in the lookup of a specific user's record is not controllable externally by the user or that any tampering can be detected.
Architecture and Design
Use encryption in order to make it more difficult to guess other legitimate values of the key or associate a digital signature with the key so that the server can verify that there has been no tampering.
OWASP Cheat Sheets
Access Control (opens in a new tab)
Authorization Testing Automation (opens in a new tab)
Cross-Site Request Forgery Prevention (opens in a new tab)
Insecure Direct Object Reference Prevention (opens in a new tab)
Authorization (opens in a new tab)
OWASP ASVS 4.0.3
V4.1.2 (opens in a new tab)
V4.2.1 (opens in a new tab)
V8.3.8 (opens in a new tab)
From MITRE CWE, MITRE CAPEC and OWASP (Top 10, OpenCRE).

References

github.com/comppolicylab/pingpong/security/advisories/GHSA-4wwr-5wq7-mgm4 (opens in a new tab)

Community reviews

Loading reviews…

Exploitation evidence

What to do

Affected software

Description

AI analysisMachine-generated, updated 19 Mar 2026, 02:19 UTC

WeaknessesCWE-639

Technical details

References

Community reviews

Related threats