CVE-2023-27159Appwrite SSRF
Appwrite Server-Side Request Forgery vulnerability
Published Mar 31, 2023 · Updated Aug 12, 2026 · Also known as GHSA-hxgx-584x-vwm8
Key Facts
Patch immediately- CVE-2023-27159 is a high-severity vulnerability (CVSS 7.5 v3.1) affecting Appwrite, appwrite/server-ce (composer).
- It is exploited in the wild, listed in CIRCL KEV, Industry KEV feed since Mar 31, 2023. Public exploit code is available.
- EPSS estimates a 36% probability of exploitation in the next 30 days.
- Fixed versions are available, including Appwrite <=1.2.1, Appwrite 1.2.1.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
Scores
CVSS v3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS (30-day exploit likelihood)
36%
Higher than 98.4% of all scored CVEs
Exploit maturity
Proof of concept
ATLAS score
45/100
Publication score, see How it works
Exploitation Verdict
KEV listed
Mar 31, 2023
Federal due date
None
No federal due date
Ransomware use
Not reported
Attributed actors
None named
Exploit & Defence Guidance
Exploit maturity
Proof of concept
Public exploit code
2
Proof-of-concept links
In-the-wild evidence
11
Reports of active use
Advisories And Exploit References
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.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| CIRCL KEV | Mar 31, 2023 | n/a | Not reported |
| Industry KEV feed | Mar 31, 2023 | n/a | Not reported |
Affected Products
2 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| AppwriteAppwrite | See advisory | 1.2.1 |
| appwrite/server-cecomposer | See advisory | n/a |
Patched Releases
Appwrite
<=1.2.1
Timeline
Publicly disclosed
Mar 31, 2023
Added to CIRCL KEV
Mar 31, 2023
Added to Industry KEV feed
Mar 31, 2023
Last updated
Aug 12, 2026
Weakness Type
- CWE-918 Server-Side Request Forgery (SSRF)
References
- advisorycve.org · CVERecord
- advisorynvd.nist.gov · CVE-2023-27159
- advisoryGHSA advisory
- exploitVulnCheck exploitation report
- exploitVulnCheck exploitation report
FAQ
Common Questions.
Appwrite up to v1.2.1 was discovered to contain a Server-Side Request Forgery (SSRF) via the component /v1/avatars/favicon.
Affected: Appwrite; appwrite/server-ce (composer). The full list is in the CVE brief.
It is exploited in the wild, listed in CIRCL KEV, Industry KEV feed since Mar 31, 2023.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
Fixed versions are available, including Appwrite <=1.2.1, Appwrite 1.2.1.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
Is CVE-2023-27159 On Your Attack Surface?
Brandefense matches it against the products discovered on your perimeter and opens a finding the day a CVE like this is listed.
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