Remote code execution in Payload through first-register
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-94.
Summary
Payload is a headless content management system with affected versions before 3.90.0 and canary versions from 4.0.0-canary.0 before 4.0.0-canary.34. A crafted request to the public first-register operation lets an unauthenticated remote attacker execute code when local authentication is enabled and no initial user has been created. The flaw is classified as code injection (CWE-94). The attack complexity is high.
Written with Claude Haiku 5.5 from the sources below · 2026-10-29
Description from the CNA
Payload is a free and open source headless content management system. In versions before 3.90.0 and canary versions before 4.0.0-canary.34, a crafted request to the public first-register operation can execute code remotely when local authentication is enabled and no initial user has been created. This issue is fixed in versions 3.90.0 and 4.0.0-canary.34.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| payloadcms | payload | before 3.90.0; 4.0.0-canary.0 to before 4.0.0-canary.34 | 3.90.0, 4.0.0-canary.34 | Patch available | CNA |
| — | payload (npm) | before 3.90.0 | 3.90.0 | Patch available | GHSA-97rh-rhh2-7vjv |
| — | payload (npm) | 4.0.0-canary.0 to before 4.0.0-canary.34 | 4.0.0-canary.34 | Patch available | GHSA-97rh-rhh2-7vjv |
- payload Vendorpayloadcms Affected before 3.90.0; 4.0.0-canary.0 to before 4.0.0-canary.34 Fixed in 3.90.0, 4.0.0-canary.34 Patch available CNA
- payload (npm) Vendor— Affected before 3.90.0 Fixed in 3.90.0 Patch available GHSA-97rh-rhh2-7vjv
- payload (npm) Vendor— Affected 4.0.0-canary.0 to before 4.0.0-canary.34 Fixed in 4.0.0-canary.34 Patch available GHSA-97rh-rhh2-7vjv
CPE configurations NVD · 35
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:payloadcms:payload:*:*:*:*:*:node.js:*:* | before 3.90.0 | Vulnerable | payloadcms |
| cpe:2.3:a:payloadcms:payload:4.0.0:canary0:*:*:*:node.js:*:* | 4.0.0 canary0 | Vulnerable | payloadcms |
| cpe:2.3:a:payloadcms:payload:4.0.0:canary1:*:*:*:node.js:*:* | 4.0.0 canary1 | Vulnerable | payloadcms |
| cpe:2.3:a:payloadcms:payload:4.0.0:canary10:*:*:*:node.js:*:* | 4.0.0 canary10 | Vulnerable | payloadcms |
| cpe:2.3:a:payloadcms:payload:4.0.0:canary11:*:*:*:node.js:*:* | 4.0.0 canary11 | Vulnerable | payloadcms |
| cpe:2.3:a:payloadcms:payload:4.0.0:canary12:*:*:*:node.js:*:* | 4.0.0 canary12 | Vulnerable | payloadcms |
| cpe:2.3:a:payloadcms:payload:4.0.0:canary13:*:*:*:node.js:*:* | 4.0.0 canary13 | Vulnerable | payloadcms |
| cpe:2.3:a:payloadcms:payload:4.0.0:canary14:*:*:*:node.js:*:* | 4.0.0 canary14 | Vulnerable | payloadcms |
| cpe:2.3:a:payloadcms:payload:4.0.0:canary15:*:*:*:node.js:*:* | 4.0.0 canary15 | Vulnerable | payloadcms |
| cpe:2.3:a:payloadcms:payload:4.0.0:canary16:*:*:*:node.js:*:* | 4.0.0 canary16 | Vulnerable | payloadcms |
- cpe:2.3:a:payloadcms:payload:*:*:*:*:*:node.js:*:* Versions before 3.90.0 Vulnerable ·payloadcms
- cpe:2.3:a:payloadcms:payload:4.0.0:canary0:*:*:*:node.js:*:* Versions 4.0.0 canary0 Vulnerable ·payloadcms
- cpe:2.3:a:payloadcms:payload:4.0.0:canary1:*:*:*:node.js:*:* Versions 4.0.0 canary1 Vulnerable ·payloadcms
- cpe:2.3:a:payloadcms:payload:4.0.0:canary10:*:*:*:node.js:*:* Versions 4.0.0 canary10 Vulnerable ·payloadcms
- cpe:2.3:a:payloadcms:payload:4.0.0:canary11:*:*:*:node.js:*:* Versions 4.0.0 canary11 Vulnerable ·payloadcms
- cpe:2.3:a:payloadcms:payload:4.0.0:canary12:*:*:*:node.js:*:* Versions 4.0.0 canary12 Vulnerable ·payloadcms
- cpe:2.3:a:payloadcms:payload:4.0.0:canary13:*:*:*:node.js:*:* Versions 4.0.0 canary13 Vulnerable ·payloadcms
- cpe:2.3:a:payloadcms:payload:4.0.0:canary14:*:*:*:node.js:*:* Versions 4.0.0 canary14 Vulnerable ·payloadcms
- cpe:2.3:a:payloadcms:payload:4.0.0:canary15:*:*:*:node.js:*:* Versions 4.0.0 canary15 Vulnerable ·payloadcms
- cpe:2.3:a:payloadcms:payload:4.0.0:canary16:*:*:*:node.js:*:* Versions 4.0.0 canary16 Vulnerable ·payloadcms
Show 25 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:payloadcms:payload:4.0.0:canary17:*:*:*:node.js:*:* | 4.0.0 canary17 | Vulnerable | payloadcms |
| cpe:2.3:a:payloadcms:payload:4.0.0:canary18:*:*:*:node.js:*:* | 4.0.0 canary18 | Vulnerable | payloadcms |
| cpe:2.3:a:payloadcms:payload:4.0.0:canary19:*:*:*:node.js:*:* | 4.0.0 canary19 | Vulnerable | payloadcms |
| cpe:2.3:a:payloadcms:payload:4.0.0:canary2:*:*:*:node.js:*:* | 4.0.0 canary2 | Vulnerable | payloadcms |
| cpe:2.3:a:payloadcms:payload:4.0.0:canary20:*:*:*:node.js:*:* | 4.0.0 canary20 | Vulnerable | payloadcms |
| cpe:2.3:a:payloadcms:payload:4.0.0:canary21:*:*:*:node.js:*:* | 4.0.0 canary21 | Vulnerable | payloadcms |
| cpe:2.3:a:payloadcms:payload:4.0.0:canary22:*:*:*:node.js:*:* | 4.0.0 canary22 | Vulnerable | payloadcms |
| cpe:2.3:a:payloadcms:payload:4.0.0:canary23:*:*:*:node.js:*:* | 4.0.0 canary23 | Vulnerable | payloadcms |
| cpe:2.3:a:payloadcms:payload:4.0.0:canary24:*:*:*:node.js:*:* | 4.0.0 canary24 | Vulnerable | payloadcms |
| cpe:2.3:a:payloadcms:payload:4.0.0:canary25:*:*:*:node.js:*:* | 4.0.0 canary25 | Vulnerable | payloadcms |
| cpe:2.3:a:payloadcms:payload:4.0.0:canary26:*:*:*:node.js:*:* | 4.0.0 canary26 | Vulnerable | payloadcms |
| cpe:2.3:a:payloadcms:payload:4.0.0:canary27:*:*:*:node.js:*:* | 4.0.0 canary27 | Vulnerable | payloadcms |
| cpe:2.3:a:payloadcms:payload:4.0.0:canary28:*:*:*:node.js:*:* | 4.0.0 canary28 | Vulnerable | payloadcms |
| cpe:2.3:a:payloadcms:payload:4.0.0:canary29:*:*:*:node.js:*:* | 4.0.0 canary29 | Vulnerable | payloadcms |
| cpe:2.3:a:payloadcms:payload:4.0.0:canary3:*:*:*:node.js:*:* | 4.0.0 canary3 | Vulnerable | payloadcms |
| cpe:2.3:a:payloadcms:payload:4.0.0:canary30:*:*:*:node.js:*:* | 4.0.0 canary30 | Vulnerable | payloadcms |
| cpe:2.3:a:payloadcms:payload:4.0.0:canary31:*:*:*:node.js:*:* | 4.0.0 canary31 | Vulnerable | payloadcms |
| cpe:2.3:a:payloadcms:payload:4.0.0:canary32:*:*:*:node.js:*:* | 4.0.0 canary32 | Vulnerable | payloadcms |
| cpe:2.3:a:payloadcms:payload:4.0.0:canary33:*:*:*:node.js:*:* | 4.0.0 canary33 | Vulnerable | payloadcms |
| cpe:2.3:a:payloadcms:payload:4.0.0:canary4:*:*:*:node.js:*:* | 4.0.0 canary4 | Vulnerable | payloadcms |
| cpe:2.3:a:payloadcms:payload:4.0.0:canary5:*:*:*:node.js:*:* | 4.0.0 canary5 | Vulnerable | payloadcms |
| cpe:2.3:a:payloadcms:payload:4.0.0:canary6:*:*:*:node.js:*:* | 4.0.0 canary6 | Vulnerable | payloadcms |
| cpe:2.3:a:payloadcms:payload:4.0.0:canary7:*:*:*:node.js:*:* | 4.0.0 canary7 | Vulnerable | payloadcms |
| cpe:2.3:a:payloadcms:payload:4.0.0:canary8:*:*:*:node.js:*:* | 4.0.0 canary8 | Vulnerable | payloadcms |
| cpe:2.3:a:payloadcms:payload:4.0.0:canary9:*:*:*:node.js:*:* | 4.0.0 canary9 | Vulnerable | payloadcms |
- cpe:2.3:a:payloadcms:payload:4.0.0:canary17:*:*:*:node.js:*:* Versions 4.0.0 canary17 Vulnerable ·payloadcms
- cpe:2.3:a:payloadcms:payload:4.0.0:canary18:*:*:*:node.js:*:* Versions 4.0.0 canary18 Vulnerable ·payloadcms
- cpe:2.3:a:payloadcms:payload:4.0.0:canary19:*:*:*:node.js:*:* Versions 4.0.0 canary19 Vulnerable ·payloadcms
- cpe:2.3:a:payloadcms:payload:4.0.0:canary2:*:*:*:node.js:*:* Versions 4.0.0 canary2 Vulnerable ·payloadcms
- cpe:2.3:a:payloadcms:payload:4.0.0:canary20:*:*:*:node.js:*:* Versions 4.0.0 canary20 Vulnerable ·payloadcms
- cpe:2.3:a:payloadcms:payload:4.0.0:canary21:*:*:*:node.js:*:* Versions 4.0.0 canary21 Vulnerable ·payloadcms
- cpe:2.3:a:payloadcms:payload:4.0.0:canary22:*:*:*:node.js:*:* Versions 4.0.0 canary22 Vulnerable ·payloadcms
- cpe:2.3:a:payloadcms:payload:4.0.0:canary23:*:*:*:node.js:*:* Versions 4.0.0 canary23 Vulnerable ·payloadcms
- cpe:2.3:a:payloadcms:payload:4.0.0:canary24:*:*:*:node.js:*:* Versions 4.0.0 canary24 Vulnerable ·payloadcms
- cpe:2.3:a:payloadcms:payload:4.0.0:canary25:*:*:*:node.js:*:* Versions 4.0.0 canary25 Vulnerable ·payloadcms
- cpe:2.3:a:payloadcms:payload:4.0.0:canary26:*:*:*:node.js:*:* Versions 4.0.0 canary26 Vulnerable ·payloadcms
- cpe:2.3:a:payloadcms:payload:4.0.0:canary27:*:*:*:node.js:*:* Versions 4.0.0 canary27 Vulnerable ·payloadcms
- cpe:2.3:a:payloadcms:payload:4.0.0:canary28:*:*:*:node.js:*:* Versions 4.0.0 canary28 Vulnerable ·payloadcms
- cpe:2.3:a:payloadcms:payload:4.0.0:canary29:*:*:*:node.js:*:* Versions 4.0.0 canary29 Vulnerable ·payloadcms
- cpe:2.3:a:payloadcms:payload:4.0.0:canary3:*:*:*:node.js:*:* Versions 4.0.0 canary3 Vulnerable ·payloadcms
- cpe:2.3:a:payloadcms:payload:4.0.0:canary30:*:*:*:node.js:*:* Versions 4.0.0 canary30 Vulnerable ·payloadcms
- cpe:2.3:a:payloadcms:payload:4.0.0:canary31:*:*:*:node.js:*:* Versions 4.0.0 canary31 Vulnerable ·payloadcms
- cpe:2.3:a:payloadcms:payload:4.0.0:canary32:*:*:*:node.js:*:* Versions 4.0.0 canary32 Vulnerable ·payloadcms
- cpe:2.3:a:payloadcms:payload:4.0.0:canary33:*:*:*:node.js:*:* Versions 4.0.0 canary33 Vulnerable ·payloadcms
- cpe:2.3:a:payloadcms:payload:4.0.0:canary4:*:*:*:node.js:*:* Versions 4.0.0 canary4 Vulnerable ·payloadcms
- cpe:2.3:a:payloadcms:payload:4.0.0:canary5:*:*:*:node.js:*:* Versions 4.0.0 canary5 Vulnerable ·payloadcms
- cpe:2.3:a:payloadcms:payload:4.0.0:canary6:*:*:*:node.js:*:* Versions 4.0.0 canary6 Vulnerable ·payloadcms
- cpe:2.3:a:payloadcms:payload:4.0.0:canary7:*:*:*:node.js:*:* Versions 4.0.0 canary7 Vulnerable ·payloadcms
- cpe:2.3:a:payloadcms:payload:4.0.0:canary8:*:*:*:node.js:*:* Versions 4.0.0 canary8 Vulnerable ·payloadcms
- cpe:2.3:a:payloadcms:payload:4.0.0:canary9:*:*:*:node.js:*:* Versions 4.0.0 canary9 Vulnerable ·payloadcms
Remediation
Update the payload npm package to 3.90.0 or, for the canary line, to 4.0.0-canary.34.
Written with Claude Haiku 5.5 from the sources below · 2026-10-29
- Fix · CNA payload (payloadcms) Fixed in 3.90.0, 4.0.0-canary.34
- Fix · GHSA-97rh-rhh2-7vjv payload (npm) Fixed in 3.90.0 Advisory →
- Fix · GHSA-97rh-rhh2-7vjv payload (npm) Fixed in 4.0.0-canary.34 Advisory →
Timeline
- 2026-10-06 Threatist record created from CVE-2026-105858
- 2026-10-07 Alias added: GHSA-97rh-rhh2-7vjv
- 2026-10-07 Fix available: npm/[email protected], npm/[email protected] · GHSA-97rh-rhh2-7vjv
- 2026-10-07 CVSS score added · GHSA-97rh-rhh2-7vjv
- 2026-10-07 Weakness changed · GHSA-97rh-rhh2-7vjv
- 2026-10-07 5 new references · GHSA-97rh-rhh2-7vjv
- 2026-10-07 Priority changed: MEDIUM → LOW
- 2026-10-09 CISA SSVC decision points changed
References
Patch 2
Advisory 2
More payloadcms Payload vulnerabilities
- TI-2026-20653 Payload has an SQL Injection in JSON/RichText Queries on PostgreSQL/SQLite Adapters CVSS 3.1CRITICAL 9.8
- TI-2026-68608 Payload CMS lets attackers update collection documents CVSS 3.1CRITICAL 9.8
- TI-2026-68606 Remote code execution in Payload Form Builder plugin CVSS 3.1CRITICAL 10.0
- TI-2026-68612 Payload authentication token field handling issue CVSS 4.0CRITICAL 9.2
- TI-2026-26995 Payload has Unvalidated Input in Password Recovery Endpoints CVSS 3.1CRITICAL 9.1
- TI-2026-68489 Field access control bypass in Payload duplicate operation CVSS 4.0CRITICAL 9.3
Sources
- CVE-2026-105858 · CVE Program
- CVE-2026-105858 · NVD
- FIRST EPSS
- GHSA-97rh-rhh2-7vjv · GitHub Advisory Database · CC BY 4.0
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