CVE-2025-22870

mediumpriority · track · 10EPSS 0.004 · 37 %ileexploit · PoCDEEUFRRUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · PoC

Likely / severe?

0.43% (37th) EPSS

CVSS 4.4 · medium

Is it mine?

51 products

Check your exposure

Who says so?

7 sources

cnnvd · enisa_euvd · fstec_bdu · osv

EPSS · scored 2026-10-27

Matching of hosts against proxy patterns can improperly treat an IPv6 zone ID as a hostname component. For example, when the NO_PROXY environment variable is set to "*.example.com", a request to "[::1%25.example.com]:80` will incorrectly match and not be proxied.

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

Fixedapptainer-0:1.4.5-150600.4.12.1.aarch64 as component of SUSE Linux Enterprise Module for HPC 15 SP7suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedapptainer-0:1.4.5-150600.4.12.1.aarch64 as component of SUSE Linux Enterprise Server 15 SP6-LTSSsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedapptainer-0:1.4.5-150600.4.12.1.aarch64 as component of openSUSE Leap 15.6suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedapptainer-0:1.4.5-150600.4.12.1.x86_64 as component of SUSE Linux Enterprise Module for HPC 15 SP7suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedapptainer-0:1.4.5-150600.4.12.1.x86_64 as component of SUSE Linux Enterprise Server 15 SP6-LTSSsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedapptainer-0:1.4.5-150600.4.12.1.x86_64 as component of openSUSE Leap 15.6suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedapptainer-leap-0:1.4.5-150600.4.12.1.noarch as component of openSUSE Leap 15.6suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedapptainer-sle15_6-0:1.4.5-150600.4.12.1.noarch as component of SUSE Linux Enterprise Server 15 SP6-LTSSsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedapptainer-sle15_6-0:1.4.5-150600.4.12.1.noarch as component of openSUSE Leap 15.6suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedapptainer-sle15_7-0:1.4.5-150600.4.12.1.noarch as component of SUSE Linux Enterprise Module for HPC 15 SP7suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedlibsquashfuse0-0:0.5.0-150600.3.2.1.aarch64 as component of SUSE Linux Enterprise Module for HPC 15 SP7suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedlibsquashfuse0-0:0.5.0-150600.3.2.1.aarch64 as component of SUSE Linux Enterprise Server 15 SP6-LTSSsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedlibsquashfuse0-0:0.5.0-150600.3.2.1.aarch64 as component of openSUSE Leap 15.6suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedlibsquashfuse0-0:0.5.0-150600.3.2.1.ppc64le as component of openSUSE Leap 15.6suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedlibsquashfuse0-0:0.5.0-150600.3.2.1.s390x as component of openSUSE Leap 15.6suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedlibsquashfuse0-0:0.5.0-150600.3.2.1.x86_64 as component of SUSE Linux Enterprise Module for HPC 15 SP7suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedlibsquashfuse0-0:0.5.0-150600.3.2.1.x86_64 as component of SUSE Linux Enterprise Server 15 SP6-LTSSsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedlibsquashfuse0-0:0.5.0-150600.3.2.1.x86_64 as component of openSUSE Leap 15.6suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedsquashfuse-0:0.5.0-150600.3.2.1.aarch64 as component of SUSE Linux Enterprise Module for HPC 15 SP7suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedsquashfuse-0:0.5.0-150600.3.2.1.aarch64 as component of SUSE Linux Enterprise Server 15 SP6-LTSSsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedsquashfuse-0:0.5.0-150600.3.2.1.aarch64 as component of openSUSE Leap 15.6suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedsquashfuse-0:0.5.0-150600.3.2.1.ppc64le as component of openSUSE Leap 15.6suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedsquashfuse-0:0.5.0-150600.3.2.1.s390x as component of openSUSE Leap 15.6suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedsquashfuse-0:0.5.0-150600.3.2.1.x86_64 as component of SUSE Linux Enterprise Module for HPC 15 SP7suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedsquashfuse-0:0.5.0-150600.3.2.1.x86_64 as component of SUSE Linux Enterprise Server 15 SP6-LTSSsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedsquashfuse-0:0.5.0-150600.3.2.1.x86_64 as component of openSUSE Leap 15.6suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedsquashfuse-devel-0:0.5.0-150600.3.2.1.aarch64 as component of openSUSE Leap 15.6suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedsquashfuse-devel-0:0.5.0-150600.3.2.1.ppc64le as component of openSUSE Leap 15.6suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedsquashfuse-devel-0:0.5.0-150600.3.2.1.s390x as component of openSUSE Leap 15.6suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedsquashfuse-devel-0:0.5.0-150600.3.2.1.x86_64 as component of openSUSE Leap 15.6suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedsquashfuse-tools-0:0.5.0-150600.3.2.1.aarch64 as component of SUSE Linux Enterprise Module for HPC 15 SP7suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedsquashfuse-tools-0:0.5.0-150600.3.2.1.aarch64 as component of SUSE Linux Enterprise Server 15 SP6-LTSSsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedsquashfuse-tools-0:0.5.0-150600.3.2.1.aarch64 as component of openSUSE Leap 15.6suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedsquashfuse-tools-0:0.5.0-150600.3.2.1.ppc64le as component of openSUSE Leap 15.6suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedsquashfuse-tools-0:0.5.0-150600.3.2.1.s390x as component of openSUSE Leap 15.6suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedsquashfuse-tools-0:0.5.0-150600.3.2.1.x86_64 as component of SUSE Linux Enterprise Module for HPC 15 SP7suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedsquashfuse-tools-0:0.5.0-150600.3.2.1.x86_64 as component of SUSE Linux Enterprise Server 15 SP6-LTSSsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedsquashfuse-tools-0:0.5.0-150600.3.2.1.x86_64 as component of openSUSE Leap 15.6suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedvexctl-0:0.4.1+git78.f951e3a-150000.1.11.1.aarch64 as component of openSUSE Leap 15.6suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedvexctl-0:0.4.1+git78.f951e3a-150000.1.11.1.ppc64le as component of openSUSE Leap 15.6suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedvexctl-0:0.4.1+git78.f951e3a-150000.1.11.1.s390x as component of openSUSE Leap 15.6suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedvexctl-0:0.4.1+git78.f951e3a-150000.1.11.1.x86_64 as component of openSUSE Leap 15.6suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedvexctl-0:0.4.1+git78.f951e3a-1.1.aarch64 as component of openSUSE Tumbleweedsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedvexctl-0:0.4.1+git78.f951e3a-1.1.ppc64le as component of openSUSE Tumbleweedsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedvexctl-0:0.4.1+git78.f951e3a-1.1.s390x as component of openSUSE Tumbleweedsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedvexctl-0:0.4.1+git78.f951e3a-1.1.x86_64 as component of openSUSE Tumbleweedsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".

cvss

Technical severity, 0–10. One row per scoring source.

4.4

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.14.4mediumAV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:Lsecondary · FSTEC (BDU) RU

v3.14.4mediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:Lsecondary · ENISA EU

v3.14.4mediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:Lsecondaryexploitability 1.8 · impact 2.5

v3.14.4mediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:Lsecondary · OSV

v3.14.2mediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L/E:Psecondary · CVSS-BT (t0sche)

v3.14.4mediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:Lsecondary · SUSE Product Security

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-115USCWE-115USCWE-20USCWE-20US

exploits (1)

Public proof-of-concept and weaponised exploit code.

JoshuaProvoste/CVE-2025-22870Proof-of-concept for CVE-2025-22870 demonstrating HTTP proxy bypass in vulnerable versions (<0.36.0) of golang.org/x/net/http/httpproxy. Exploits improper IPv6 zone ID parsing to evade NO_PROXY restrictions, enabling proxy bypass and potential SSRF under misconfigured environments.PoC · poc_in_github

affected products (51)

Products and version ranges known to be affected.

Amazon Linux 2all versionscert_bundDEcpe:/o:amazon:linux_2:-
Fedora Linuxall versionscert_bundDEcpe:/o:fedoraproject:fedora:-
Golang Go <1.23.7all versionscert_bundDE
Golang Go <1.24.1all versionscert_bundDE
IBM App Connect Enterpriseall versionscert_bundDEcpe:/a:ibm:app_connect_enterprise:-
IBM Business Automation Workflow <24.0.0-IF005all versionscert_bundDE
IBM Business Automation Workflow <24.0.1-IF002all versionscert_bundDE
IBM DB2 Big SQLall versionscert_bundDEcpe:/a:ibm:db2:big_sql
IBM Spectrum Protect Plus <10.1.17.1all versionscert_bundDE
Open Source Gitea 1.23.5all versionscert_bundDEcpe:/a:gitea:gitea:1.23.5
Open Source Gitea <1.23.6all versionscert_bundDE
Red Hat Enterprise Linuxall versionscert_bundDEcpe:/o:redhat:enterprise_linux:-
SUSE Linuxall versionscert_bundDEcpe:/o:suse:suse_linux:-
SUSE openSUSEall versionscert_bundDEcpe:/o:suse:opensuse:-
Splunk Splunk Enterprise <10.0.4all versionscert_bundDE
Splunk Splunk Enterprise <10.2.1all versionscert_bundDE
Splunk Splunk Enterprise <9.1.10all versionscert_bundDE
Splunk Splunk Enterprise <9.2.7all versionscert_bundDE
Splunk Splunk Enterprise <9.3.10all versionscert_bundDE
Splunk Splunk Enterprise <9.3.5all versionscert_bundDE

showing 20 of 51

advisories (7)

Vendor and ecosystem advisories describing this.

SUSE-SU-2026:0439-1Security update for apptainer2026-02-11csaf · suse_csafDE
Security update for apptainer
SUSE-SU-2026:0592-1Security update for vexctl2026-02-20csaf · suse_csafDE
Security update for vexctl
WID-SEC-W-2025-0485Golang Go: Schwachstelle ermöglicht Umgehen von SicherheitsvorkehrungenDeutsch2025-03-04csaf · cert_bundDE
Ein Angreifer kann eine Schwachstelle in Golang Go ausnutzen, um Sicherheitsvorkehrungen zu umgehen.
openSUSE-SU-2026:10230-1vexctl-0.4.1+git78.f951e3a-1.1 on GA media2026-02-19csaf · suse_csafDE
vexctl-0.4.1+git78.f951e3a-1.1 on GA media
GHSA-qxp5-gwg8-xv66HTTP Proxy bypass using IPv6 Zone IDs in golang.org/x/net2025-03-12ghsa · osvUS
Matching of hosts against proxy patterns can improperly treat an IPv6 zone ID as a hostname component. For example, when the NO_PROXY environment variable is set to "*.example.com", a request to "[::1%25.example.com]:80` will incorrectly match and not be proxied.
CERTFR-2026-AVI-1385Multiples vulnérabilités dans les produits VMwareFrançais2026-10-26vendor · certfrFR
GO-2025-3503HTTP Proxy bypass using IPv6 Zone IDs in golang.org/x/net2025-03-12vendor · osvUS
Matching of hosts against proxy patterns can improperly treat an IPv6 zone ID as a hostname component. For example, when the NO_PROXY environment variable is set to "*.example.com", a request to "[::1%25.example.com]:80` will incorrectly match and not be proxied.

also known as (6)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu osv cert_bund suse_csaf certfr NVD CVE.org MITRE

published 2025-03-12modified 2026-06-17

references (16)

External citations — patches, advisories, analysis.

scry

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