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SCA: security update for github.com/gotenberg/gotenberg/v8 (GHSA-86m8-88fq-xfxp)

high Tenable Self-Hosted Container Security Plugin ID 446829

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

 - Gotenberg is a Docker-powered stateless API for PDF files. In 8.32.0 and earlier, the IsPublicIP function
 in pkg/gotenberg/outbound.go does not reject the 2002::/16 6to4 prefix, the 64:ff9b::/96 and
 64:ff9b:1::/48 NAT64 prefixes, the fec0::/10 deprecated site-local prefix, Teredo, and other transition
 prefixes that can embed or route to non-public IPv4 destinations. The addr.Unmap operation only handles
 IPv4-mapped IPv6 addresses, so a crafted DNS AAAA record can cause the outbound HTTP client to treat an
 address wrapping an internal destination such as 169.254.169.254 as public. An unauthenticated attacker
 can use a conversion route with WithDenyPrivateIPs enabled to reach cloud metadata services, and the
 Chromium URL conversion route can return the internal response as a PDF, potentially exposing cloud
 credentials. Exploitation requires a deployment whose host routes the relevant IPv6 prefix, such as a
 dual-stack or NAT64-enabled environment. This issue is fixed in version 8.33.0. (CVE-2026-45741)

Solution

There is no known solution at this time.

See Also

https://github.com/advisories/GHSA-86m8-88fq-xfxp

Plugin Details

Severity: High

ID: 446829

Version: Revision 1.1

Type: Local

Family: SCA Checks

Published: 8/31/2026

Updated: 8/31/2026

Risk Information

VPR

Risk Factor: Low

Score: 3.9

Percentile: 52.77

Vendor

Vendor Severity: High

CVSS v2

Risk Factor: Medium

Base Score: 6.1

Temporal Score: 4.5

Vector: CVSS2#AV:N/AC:H/Au:N/C:C/I:P/A:N

CVSS Score Source: CVE-2026-45741

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:L/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 5/29/2026

Vulnerability Publication Date: 5/29/2026

Reference Information

CVE: CVE-2026-45741