EUVD-2026-71125
GHSA-qx8h-9fgq-w49h
Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/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:X/V:X/RE:X/U:X
Network-accessible API requiring only authenticated session; write-only IDOR with no confidentiality or availability impact warrants I:H, C:N, A:N.
Primary rating from Vendor (VulnCheck).
CVSS VectorVendor: VulnCheck
Lifecycle Timeline
3DescriptionCVE.org
potpie through 2.0.0 fails to verify user ownership on the POST /conversations/{conversation_id}/code-changes/sync endpoint. Authenticated attackers can write arbitrary file changes into other users' conversations by supplying their conversation IDs, allowing unauthorized modification of pending changes.
AnalysisAI
Missing ownership verification in potpie through 2.0.0 allows authenticated users to inject arbitrary file changes into other users' conversations via the POST /conversations/{conversation_id}/code-changes/sync endpoint. Because the API never checks that the requesting user owns the supplied conversation_id, any authenticated account can overwrite pending code-change state in conversations belonging to other users-an Insecure Direct Object Reference (IDOR) pattern classified as CWE-862. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires a valid authenticated session on the target potpie instance (PR:L); unauthenticated exploitation is not possible. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 4.0 vector (AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N) accurately captures the risk profile: network-reachable, low attack complexity, requires only a valid authenticated session, no user interaction, and the impact is limited to integrity of the vulnerable system. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | No vendor-released patch is identified at time of analysis. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, inventory all potpie deployments running versions through 2.0.0 and restrict API access to trusted networks if feasible; simultaneously audit the past 30 days of POST /conversations/{conversation_id}/code-changes/sync activity for unauthorized or cross-user modifications and notify affected development teams. …
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Same weakness CWE-862 – Missing Authorization
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External POC / Exploit Code
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