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Vulnerability record · CVE-2026-32097 · published 11 March 2026

CVE-2026-32097: Harvard pingpong insecure direct object reference vulnerability

Harvard · Pingpong

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.

8.6 CVSS 4.0 High EPSS 0.52% · top 57.9% CWE-639 · Insecure direct object reference
8.6CVSS 4.0 base score
0.52%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
1References
17 Jun 2026Last modified by NVD

Description

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.

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/comppolicylab/pingpong/security/advisories/GHSA-4wwr-5wq7-mgm4 Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

8.4CVE-2026-55255Langflow IDOR in responses endpoint allows cross-user flow executionLangflow before 1.9.1 has an insecure direct object reference in the /api/v1/responses endpoint. An authenticated attacker can supply another user's …KEVEPSS 0.89%analysed

Source: NIST National Vulnerability Database (record CVE-2026-32097), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.