The ACME-challenge endpoint in Appwrite 0.5.0 through 0.12.x before 0.12.2 allows remote…
Priority HIGH 72CWE-22Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and GitHub. Impact type from CWE-22 and the CVSS impact.
Summary
The ACME-challenge endpoint in Appwrite 0.5.0 through 0.12.x before 0.12.2 allows remote attackers to read arbitrary local files via ../ directory traversal. In order to be vulnerable, APP_STORAGE_CERTIFICATES/.well-known/acme-challenge must exist on disk. (This pathname is automatically created if the user chooses to install Let's Encrypt certificates via Appwrite.)
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00793 56th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed appwrite/server-ce (Packagist): 0.12.2
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- Yes
- Technical impact
- Partial
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 |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | appwrite/server-ce (Packagist) | 0.5.0 to before 0.12.2 | 0.12.2 | Patch available | GHSA-wfm3-gq9h-mrjm |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- appwrite/server-ce (Packagist) Vendor— Affected 0.5.0 to before 0.12.2 Fixed in 0.12.2 Patch available GHSA-wfm3-gq9h-mrjm
Remediation
- Fix · GHSA-wfm3-gq9h-mrjm appwrite/server-ce (Packagist) Fixed in 0.12.2 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2022-25377
- 2026-10-03 Alias added: GHSA-wfm3-gq9h-mrjm
References
Other 5
- https://github.com/appwrite/appwrite/blob/0.12.0/app/controllers/general.php#L539
- https://github.com/appwrite/appwrite/releases/tag/0.12.2
- https://github.com/appwrite/appwrite/commit/892f6fa4ba0d44e2435ffad1a84542400cfb7a9b
- https://dubell.io/unauthenticated-lfi-in-appwrite-0.5.0-0.12.1
- https://github.com/appwrite/appwrite
More Appwrite vulnerabilities
- TI-2023-11948 Appwrite up to v1.2.1 was discovered to contain a Server-Side Request Forgery (SSRF) via… CVSS 3.1HIGH 7.5
- TI-2021-06180 Prototype pollution in litespeed.js CVSS 3.1CRITICAL 9.8
- TI-2024-00984 Server-side request forgery in Appwrite CVSS 3.1HIGH 7.5
- TI-2022-02705 Cross-site Scripting (XSS) - Stored in appwrite/appwrite CVSS 3.1MEDIUM 5.4
Sources
- CVE-2022-25377 · CVE Program
- CVE-2022-25377 · NVD
- FIRST EPSS
- GHSA-wfm3-gq9h-mrjm · GitHub Advisory Database · CC BY 4.0
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