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

Q: How do I fix CVE-2023-27159?

appwrite: upgrade to newer than 1.2.1. Exact commands for each OS are on this page.

Q: Is CVE-2023-27159 being exploited?

CVE-2023-27159 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2023-27159 affect?

CVE-2023-27159 affects appwrite. Severity is high (CVSS 7.5). 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.

Q: How urgent is CVE-2023-27159?

Priority 61/100. High severity; EPSS top 2%: very likely to be exploited; Public exploit reference; Remotely exploitable, no login, no user action

This week

HIGH 7.5REMOTEUPGRADE

CVE-2023-27159 is a high-severity flaw (CVSS 7.5) affecting appwrite. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

High severity
EPSS top 2%: very likely to be exploited
Public exploit reference
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	36.4% (top 2%)
CISA exploited list	No
Weakness	CWE-918
Published	2023-03-31
Last modified	2026-07-09

Publisher (CNA): MITRE · Vendor: appwrite

Last updated 2026-07-09 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2023-03-31 19:15 UTCPublished CVE record published
2026-07-09 01:18 UTCUpdated Record last modified

appwrite appwrite UPGRADE

Affected: <= 1.2.1

Fixed in: newer than 1.2.1

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy appwrite || rpm -q appwrite || appwrite --version

2. UPGRADE to newer than 1.2.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade appwrite

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade appwrite

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Nuclei scan template: Appwrite <=1.2.1 - Server-Side Request Forgery

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2023-27159?

appwrite: upgrade to newer than 1.2.1. Exact commands for each OS are on this page.

Is CVE-2023-27159 being exploited?

CVE-2023-27159 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2023-27159 affect?

CVE-2023-27159 affects appwrite. Severity is high (CVSS 7.5). 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.

How urgent is CVE-2023-27159?

Priority 61/100. High severity; EPSS top 2%: very likely to be exploited; Public exploit reference; Remotely exploitable, no login, no user action

Related CVEs

CVE-2024-1063 MEDIUM 5.3 UPGRADE Appwrite <= v1.4.13 is affected by a Server-Side Request Forgery (SSRF) via the '/v1/avatars/favicon' endpoint
CVE-2022-2925 MEDIUM 5.4 UPGRADE Cross-site Scripting (XSS) - Stored in GitHub repository appwrite/appwrite prior to 1.0.0-RC1.
CVE-2022-25377 HIGH 7.5 UPGRADE The ACME-challenge endpoint in Appwrite 0.5.0 through 0.12.x before 0.12.2 allows remote attackers to read arb
CVE-2021-23682 HIGH 7.3 UPGRADE UPGRADE This affects the package litespeed.js before 0.3.12; the package appwrite/server-ce from 0.12.0 and before 0.1

References

← Back to latest CVEs