CVE-2026-105689

Penpot is an open-source design and prototyping platform. Prior to 2.18.0, app.util.ssrf/blocked-address? relies on Java InetAddress predicates that do not classify NAT64, 6to4, or Teredo addresses and applies additional CIDR checks only to IPv4 values. Exploitation requires routing through a NAT64 gateway or an attacker-controlled DNS AAAA record; cloud environments with NAT64 gateways are directly exploitable. A user controlling a media import URL, or an administrator controlling a webhook URL, can then supply an IPv6 transition address that embeds a cloud-metadata, loopback, link-local, or private IPv4 target and bypasses the intended SSRF restrictions. Media import can disclose response bodies, while webhook delivery can expose response status as a network-probing side channel. This issue is fixed in version 2.18.0.

CVSS

No CVSS.

References

Link	Resource
https://github.com/penpot/penpot/commit/326d83e780ae120b45ccd6f3d7bd24922b54461c
https://github.com/penpot/penpot/releases/tag/2.18.0
https://github.com/penpot/penpot/security/advisories/GHSA-wxgm-8qjw-x445
https://github.com/penpot/penpot/security/advisories/GHSA-wxgm-8qjw-x445

Configurations

No configuration.

History

08 Oct 2026, 03:16

Type	Values Removed	Values Added
References	~~() https://github.com/penpot/penpot/security/advisories/GHSA-wxgm-8qjw-x445 -~~	() https://github.com/penpot/penpot/security/advisories/GHSA-wxgm-8qjw-x445 -

05 Oct 2026, 20:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-10-05 20:17

Updated : 2026-10-08 03:16

NVD link : CVE-2026-105689

Mitre link : CVE-2026-105689

CVE.ORG link : CVE-2026-105689

JSON object : View

Products Affected

No product.

CWE

CWE-918

Server-Side Request Forgery (SSRF)

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