CVE-2021-23345
All versions of package github.com/thecodingmachine/gotenberg are vulnerable to Server-side Request Forgery (SSRF) via the /convert/html endpoint when the src attribute of an HTML element refers to an internal system file, such as <iframe…
Does this matter?
Lower severity and a low EPSS score (1.09%). Track it; it rarely justifies an emergency change on its own.
Description
All versions of package github.com/thecodingmachine/gotenberg are vulnerable to Server-side Request Forgery (SSRF) via the /convert/html endpoint when the src attribute of an HTML element refers to an internal system file, such as <iframe src='file:///etc/passwd'>.
- CVSS 3.1
- 5.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- EPSS
- 1.09% probability · 65th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-918
- Affected
- thecodingmachine/gotenberg
- Source
- report@snyk.io
EPSS 1.1% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://github.com/thecodingmachine/gotenberg/issues/261Exploit, Third Party Advisory
- https://snyk.io/vuln/SNYK-GOLANG-GITHUBCOMTHECODINGMACHINEGOTENBERG-1062043Exploit, Third Party Advisory
- https://github.com/thecodingmachine/gotenberg/issues/261Exploit, Third Party Advisory
- https://snyk.io/vuln/SNYK-GOLANG-GITHUBCOMTHECODINGMACHINEGOTENBERG-1062043Exploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.