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Golang: stdlib: security update to 1.25.10stdlib: security update to 1.26.3

medium Tenable Cloud Security Plugin ID 441501

Description

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

 - ReverseProxy can forward queries containing parameters not visible to Rewrite functions. When used with a
 Rewrite function, or a Director function which parses query parameters, ReverseProxy sanitizes the
 forwarded request to remove query parameters which are not parsed by url.ParseQuery. ReverseProxy does not
 take ParseQuery's limit on the total number of query parameters (controlled by
 GODEBUG=urlmaxqueryparams=N) into account. This can permit ReverseProxy to forward a request containing a
 query parameter that is not visible to the Rewrite function. For example, the query
 "a1=x&a2=x&...&a10000=x&hidden=y" can forward the parameter "hidden=y" while hiding it from the proxy's
 Rewrite function. (CVE-2026-39825)

Solution

Update the stdlib library and its related packages to version 1.25.10 or later.

See Also

https://pkg.go.dev/vuln/GO-2026-4976

Plugin Details

Severity: Medium

ID: 441501

Version: Revision 1.4

Type: Local

Family: Golang

Published: 5/8/2026

Updated: 5/25/2026

Risk Information

VPR

Risk Factor: Low

Score: 2.2

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

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

CVSS Score Source: CVE-2026-39825

CVSS v3

Risk Factor: Medium

Base Score: 5.3

Temporal Score: 4.6

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/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: 5/7/2026

Vulnerability Publication Date: 5/7/2026

Reference Information

CVE: CVE-2026-39825