CVE-2026-64821 thiagopena CVE debrief

Who should care

Authenticated users of djangoSIGE 1.10 and below with change_orcamentovenda or equivalent permissions should be cautious of potential cross-site request forgery attacks. These users should review and update djangoSIGE to a version beyond 1.10 and implement additional CSRF checks for GET requests in custom views. They should also monitor for suspicious order cancellation activity and educate users on safe browsing practices.

Technical summary

djangoSIGE through 1.10 contains a cross-site request forgery vulnerability that allows unauthenticated attackers to cancel sales or purchase orders on behalf of authenticated users. This is due to order-cancellation logic implemented inside HTTP GET method handlers in CancelarOrcamentoVendaView, CancelarPedidoVendaView, CancelarOrcamentoCompraView, and CancelarPedidoCompraView. Attackers can lure authenticated victims to a page containing a cross-origin reference, bypassing CSRF token validation. The vulnerability can be mitigated by updating djangoSIGE to a version beyond 1.10 and implementing additional CSRF checks for GET requests in custom views.

Defensive priority

Medium priority for authenticated users with change_orcamentovenda or equivalent permissions in djangoSIGE 1.10 and below.

Recommended defensive actions

• Review and update djangoSIGE to a version beyond 1.10.
• Implement additional CSRF checks for GET requests in custom views.
• Monitor for suspicious order cancellation activity.
• Educate users on safe browsing practices.
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up.
• Review compensating controls for exposed systems while remediation is scheduled and verified.
• Track exceptions, retest remediated assets, and close the item only after evidence is documented.

Evidence notes

The CVE record and NVD entry provide details on the vulnerability. However, limited information is available on the vendor's remediation efforts or affected scope. To verify, defenders should review the official CVE record and NVD entry for accuracy and monitor for any additional information from the vendor or other sources regarding affected versions and remediation efforts.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.