CVE WatchOct 8, 2026

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 predica

CVSS

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No CVSS

EPSS

0.3%

p17

KEV

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Exploit Today

0-100

Published: Oct 5, 2026 · Last modified: Oct 8, 2026 · CWE-918

EPSS · 30d

0.3%EPSS · 30 days0.3%

2026-10-062026-10-21

Technical description

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.

Official references

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