CVE-2026-105850
Payload: Order confirmation validation issue in Payload Ecommerce
Payload is a free and open source headless content management system. In @payloadcms/plugin-ecommerce versions before 3.90.0 and canary versions before 4.0.0-canary.34, use of the Stripe payment adapter can allow a Stripe order confirmation to be processed more than once under certain conditions. This issue is fixed in versions 3.90.0 and 4.0.0-canary.34.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Payload: Order confirmation validation issue in Payload Ecommerce
Payload is a free and open source headless content management system. In @payloadcms/plugin-ecommerce versions before 3.90.0 and canary versions before 4.0.0-canary.34, use of the Stripe payment adapter can allow a Stripe order confirmation to be processed more than once under certain conditions. This issue is fixed in versions 3.90.0 and 4.0.0-canary.34.
- Record
CVE-2026-105850- CVSS 4.0
- 8.8 High
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N - Weakness
- CWE-837
- Updated
- 2026-11-02
EUVDEUVD-2026-93493
Payload is a free and open source headless content management system. In @payloadcms/plugin-ecommerce versions before 3.90.0 and canary versions before 4.0.0-canary.34, use of the Stripe payment adapter can allow a Stripe order confirmation to be processed more than once under certain conditions. This issue is fixed in versions 3.90.0 and 4.0.0-canary.34.
- Record
EUVD-2026-93493- CVSS 4.0
- 8.8 High
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-8r29-2mp2-pmrw
Payload Ecommerce has an order confirmation validation issue
Impact
When using the Stripe payment adapter, an order confirmation could be processed more than once under certain conditions.
You are affected if:
- You use
@payloadcms/plugin-ecommercewith the Stripe payment adapter.
Deployments that do not use the Stripe payment flow are not affected.
Patches
Users should upgrade Payload packages to >= 3.90.0 or >= 4.0.0-canary.34.
Workarounds
Ensure Stripe order confirmations can only be processed once. This is a temporary mitigation; upgrading to a patched version is recommended.
- Record
GHSA-8r29-2mp2-pmrw- CVSS 4.0
- 8.8 High
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N - Weakness
- CWE-837
- Updated
- 2026-11-02
NVD
Payload is a free and open source headless content management system. In @payloadcms/plugin-ecommerce versions before 3.90.0 and canary versions before 4.0.0-canary.34, use of the Stripe payment adapter can allow a Stripe order confirmation to be processed more than once under certain conditions. This issue is fixed in versions 3.90.0 and 4.0.0-canary.34.
- Record
CVE-2026-105850- CVSS 4.0
- 8.8 High
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/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 - CVSS 3.1
- 8.2 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L - Weakness
- CWE-837
- Updated
- 2026-11-02
OSV
Payload: Order confirmation validation issue in Payload Ecommerce
Payload is a free and open source headless content management system. In @payloadcms/plugin-ecommerce versions before 3.90.0 and canary versions before 4.0.0-canary.34, use of the Stripe payment adapter can allow a Stripe order confirmation to be processed more than once under certain conditions. This issue is fixed in versions 3.90.0 and 4.0.0-canary.34.
- Record
CVE-2026-105850- CVSS 4.0
- 8.8 High
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N - Weakness
- CWE-837
- Updated
- 2026-11-02
OSVGHSA-8r29-2mp2-pmrw
Payload Ecommerce has an order confirmation validation issue
Impact
When using the Stripe payment adapter, an order confirmation could be processed more than once under certain conditions.
You are affected if:
- You use
@payloadcms/plugin-ecommercewith the Stripe payment adapter.
Deployments that do not use the Stripe payment flow are not affected.
Patches
Users should upgrade Payload packages to >= 3.90.0 or >= 4.0.0-canary.34.
Workarounds
Ensure Stripe order confirmations can only be processed once. This is a temporary mitigation; upgrading to a patched version is recommended.
- Record
GHSA-8r29-2mp2-pmrw- CVSS 4.0
- 8.8 High
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N - Weakness
- CWE-837
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
@payloadcms/plugin-ecommercenpm |
before 3.90.0 | 3.90.0 |
@payloadcms/plugin-ecommercenpm |
4.0.0-canary.0 up to 4.0.0-canary.34 | 4.0.0-canary.34 |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-105850 is a high vulnerability (CVSS 8.8) in @payloadcms Plugin-ecommerce, published October 6, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.31%, the 23rd percentile. Fixed in @payloadcms/plugin-ecommerce 3.90.0.
References
github.com/payloadcms/payload/security/advisories/GHSA-8r29-2mp2-pmrw
nvd.nist.gov/vuln/detail/CVE-2026-105850