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TI-2021-06043 Aliases CVE-2021-23345GHSA-r97h-mg64-mcjr

Server-side request forgery (SSRF) in github.com/thecodingmachine/gotenberg

Priority LOW 26CWE-918Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
Low · None · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-918 and the CVSS impact.

Summary

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'>.

Why it matters now

EPSS 0.01091 65th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
—github.com/thecodingmachine/gotenbergall versions—No fix listedCNA
  • github.com/thecodingmachine/gotenberg Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:thecodingmachine:gotenberg:*:*:*:*:*:*:*:*all versionsVulnerablegotenberg
  • cpe:2.3:a:thecodingmachine:gotenberg:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·gotenberg

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-23345
  2. 2026-10-03 Alias added: GHSA-r97h-mg64-mcjr

References

  • TI-2026-30869 Gotenberg: Unauthenticated RCE via ExifTool Metadata Key Injection CVSS 3.1CRITICAL 9.8
  • TI-2026-29063 Gotenberg vulnerable to argument injection via newlines in ExifTool metadata values CVSS 3.1CRITICAL 10.0
  • TI-2026-30876 Gotenberg: Unauthenticated SSRF via default deny-list bypass in downloadFrom and webhook CVSS 3.1CRITICAL 9.4
  • TI-2026-27588 Gotenberg has a ReDoS via extraHttpHeaders scope feature CVSS 4.0HIGH 8.7
  • TI-2026-30875 Gotenberg: Server-Side Request Forgery via Chromium URL Endpoint with Redirect-Based Deny-List Bypass CVSS 3.1HIGH 8.6
  • TI-2026-30871 Gotenberg: Server-Side Request Forgery (SSRF) in github.com/gotenberg/gotenberg/v8 CVSS 3.1HIGH 8.2
See all 21 →

Sources