CVE-2025-22871

criticalpriority · track · 0EPSS 0.008 · 57 %ileCHDEEUNLRUUS
grimoire priorityP2 · Scheduled
Exploitable?
—
no known exploitation
Likely / severe?
0.83% (57th) EPSS
CVSS 9.1 · critical
Is it mine?
139 products
Check your exposure
Who says so?
9 sources
cnnvd · enisa_euvd · fstec_bdu · osv

EPSS · scored 2026-10-24

The net/http package improperly accepts a bare LF as a line terminator in chunked data chunk-size lines. This can permit request smuggling if a net/http server is used in conjunction with a server that incorrectly accepts a bare LF as part of a chunk-ext.

01

remediations

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

A vendor fix is available.

02

cvss

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

9.1
010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 8.3–9.1

v3.19.1criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Nsecondary · CISA US
v3.19.1criticalAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Nsecondary · FSTEC (BDU) RU
v3.19.1criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Nsecondary · ENISA EU
v3.19.1criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Nsecondaryexploitability 3.9 · impact 5.2
v3.19.1criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Nsecondary · OSV
v3.19.1criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Nsecondary · Siemens ProductCERT DE
v3.18.3highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N/E:Usecondary · CVSS-BT (t0sche)
v3.19.1criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Nsecondary · Mettler-Toledo PSIRT
v3.19.1criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Nsecondary · NCSC-NL NL
03

ssvc

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

Exploitation: none · Automatable: yes · Technical Impact: totalcoordinatorcisa_ssvcUS
04

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-1395USCWE-444USCWE-444USCWE-444USCWE-444USCWE-444USCWE-444US
05

affected products (139)

Products and version ranges known to be affected.

showing 20 of 139
06

advisories (10)

Vendor and ecosystem advisories describing this.

  • NCSC-2026-0147Kwetsbaarheden verholpen in Siemens-productenNL2026-05-13csaf · ncsc_nlNL

    Siemens heeft kwetsbaarheden verholpen in verschillende (OT-)producten. Het gaat onder andere om producten in de Siemens RUGGEDCOM-, SCALANCE-, SIMATIC-, SIMIT-, SINAMICS-, SIPROTEC-, SENTRON- en Solid Edge-productreeksen.

  • SSA-783943SSA-783943: HTTP Request Smuggling Vulnerability in SENTRON 7KT PAC1261 Data Manager Before V2.1.02026-05-12csaf · siemens_psirtDE

    The web server in SENTRON 7KT PAC1261 Data Manager Before V2.1.0 contains a request smuggling vulnerability in the Go Project's net/http package that could allow an attacker to retrieve authorization tokens that can be used to gain administrative control over the device. Siemens has released a new version for SENTRON 7KT PAC1261 Data Manager and recommends to update to the latest version.

  • VDE-2026-088METTLER TOLEDO: LabX Standard and Enterprise Report on External Component Analysis - v21.42026-08-20csaf · mettler_toledo_psirtCH

    The vulnerabilities found in LabX Standard versions 21.3.22 - 21.4.23 are CVE-2025-69419, CVE-2026-0915, CVE-2025-15467, CVE-2026-4800, CVE-2026-33186, CVE-2026-39821, CVE-2026-33671 and are fixed in LabX Standard v21.4.25. The vulnerabilities found in LabX Enterprise versions 21.3.22 - 21.4.23 are CVE-2026-4800, CVE-2026-33186, CVE-2026-39821, CVE-2026-33671 and are fixed in LabX Enterprise v21.4.25 All other vulnerabilities are to be fixed in the upcoming releases.

  • WID-SEC-W-2025-0679Golang Go: Schwachstelle ermöglicht Umgehen von SicherheitsvorkehrungenDeutsch2025-04-01csaf · cert_bundDE

    Ein entfernter, anonymer Angreifer kann eine Schwachstelle in Golang Go ausnutzen, um Sicherheitsvorkehrungen zu umgehen.

  • WID-SEC-W-2025-1437Red Hat Ansible Automation Platform: Mehrere SchwachstellenDeutsch2025-06-30csaf · cert_bundDE

    Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Red Hat Ansible Automation Platform ausnutzen, um beliebige Befehle auszuführen, Informationen offenzulegen oder um einen Request-Smuggling Angriff durchzuführen.

  • WID-SEC-W-2026-1706Jabra Direct: Mehrere Schwachstellen ermöglichen nicht spezifizierten AngriffDeutsch2026-05-27csaf · cert_bundDE

    Ein Angreifer kann mehrere Schwachstellen in Jabra Direct ausnutzen, um einen nicht näher spezifizierten Angriff durchzuführen.

  • GHSA-g9pc-8g42-g6vqRoadRunner is at risk of HTTP Request/Response Smuggling through vulnerable dependency2025-04-08ghsa · osvUS

    The net/http package dependency used by RoadRunner improperly accepts a bare LF as a line terminator in chunked data chunk-size lines. This can permit request smuggling if a net/http server is used in conjunction with a server that incorrectly accepts a bare LF as part of a chunk-ext.

  • ICSA-26-134-14Siemens SENTRON 7KT PAC1261 Data Manager2026-05-12icsa · cisa_csaf_otUS

    The web server in SENTRON 7KT PAC1261 Data Manager Before V2.1.0 contains a request smuggling vulnerability in the Go Project's net/http package that could allow an attacker to retrieve authorization tokens that can be used to gain administrative control over the device. Siemens has released a new version for SENTRON 7KT PAC1261 Data Manager and recommends to update to the latest version.

  • BIT-golang-2025-22871Request smuggling due to acceptance of invalid chunked data in net/http2025-04-10vendor · osvUS

    The net/http package improperly accepts a bare LF as a line terminator in chunked data chunk-size lines. This can permit request smuggling if a net/http server is used in conjunction with a server that incorrectly accepts a bare LF as part of a chunk-ext.

  • GO-2025-3563Request smuggling due to acceptance of invalid chunked data in net/http2025-04-08vendor · osvUS

    The net/http package improperly accepts a bare LF as a line terminator in chunked data chunk-size lines. This can permit request smuggling if a net/http server is used in conjunction with a server that incorrectly accepts a bare LF as part of a chunk-ext.

07

also known as (7)

Other names and identifiers for this entity.

08

sources

Which sources assert this record, and when.

cnnvdenisa_euvdfstec_bduosvcert_bundncsc_nlsiemens_psirtmettler_toledo_psirtcisa_csaf_otNVDCVE.orgMITRE
published 2025-04-08modified 2026-06-17
09

references (18)

External citations — patches, advisories, analysis.

scry

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