CVE-2026-39822

highpriority · track · 0EPSS 0.002 · 14 %ileCHDEEUFRNLRUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.23% (14th) EPSS

CVSS 7.8 · high

Is it mine?

54 products

Check your exposure

Who says so?

8 sources

cnnvd · enisa_euvd · fstec_bdu · osv

EPSS · scored 2026-10-27

On Unix systems, opening a file in an os.Root improperly follows symlinks to locations outside of the Root when the final path component of the a path is a symbolic link and the path ends in /. For example, 'root.Open("symlink/")' will open "symlink" even when "symlink" is a symbolic link pointing outside of the root.

remediations

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

No fix is available; mitigate or reduce exposure.

No fix availableLabX Standardmettler_toledo_psirt
This vulnerability will be fixed in the upcoming releases

cvss

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

7.8

010

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

v3.17.8highAV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · ENISA EU

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondaryexploitability 1.8 · impact 5.9

v3.17.1highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

v3.17.3highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:Lsecondary · Mettler-Toledo PSIRT

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · NCSC-NL NL

ssvc

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

Exploitation: none · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-61USCWE-61USCWE-61USCWE-61US

affected products (54)

Products and version ranges known to be affected.

TimesTen In-Memory Databaseall versionscert_bundDEcpe:/a:oracle:times_ten_in-memory_database:22.1-22.1.1.41.0
TimesTen In-Memory Databaseall versionscert_bundDEcpe:/a:oracle:times_ten_in-memory_database:22.1-22.1.1.43.0
TimesTen In-Memory Databaseall versionscert_bundDEcpe:/a:oracle:times_ten_in-memory_database:22.1-22.1.40.0
TimesTen In-Memory Databaseall versionscert_bundDEcpe:/a:oracle:times_ten_in-memory_database:26.1-26.1.1.2.0
TimesTen In-Memory Databaseall versionscert_bundDEcpe:/a:oracle:times_ten_in-memory_database:26.1-26.1.1.3.0
Go standard library os0 → 1.25.12enisa_euvdEU
Go standard library os1.26.0-0 → 1.26.5enisa_euvdEU
Go standard library os1.27.0-0 → 1.27.0-rc.2enisa_euvdEU
Red Hat, Inc. ExternalDNS Operatorall versionsfstec_bduRU
Red Hat, Inc. Red Hat Advanced Cluster Security≤ 4.9fstec_bduRU
Red Hat, Inc. Red Hat Advanced Cluster Security for Kubernetes≤ 4.10fstec_bduRU
Red Hat, Inc. Red Hat Advanced Cluster Security for Kubernetes≤ 4.11fstec_bduRU
Red Hat, Inc. Red Hat Ceph Storage≤ 7fstec_bduRU
Red Hat, Inc. Red Hat Ceph Storage≤ 8fstec_bduRU
Red Hat, Inc. Red Hat Enterprise Linux≤ 10.0 Extended Update Supportfstec_bduRU
Red Hat, Inc. Red Hat Enterprise Linux≤ 9fstec_bduRU
Red Hat, Inc. Red Hat Enterprise Linux≤ 10fstec_bduRU
Red Hat, Inc. Red Hat Enterprise Linux≤ 9.2 Update Services for SAP Solutionsfstec_bduRU
Red Hat, Inc. Red Hat Enterprise Linux≤ 9.6 Extended Update Supportfstec_bduRU
Red Hat, Inc. Red Hat Enterprise Linux≤ 9.4 Update Services for SAP Solutionsfstec_bduRU

showing 20 of 54

advisories (8)

Vendor and ecosystem advisories describing this.

NCSC-2026-0375Kwetsbaarheden verholpen in Oracle CommunicationsNL2026-09-16csaf · ncsc_nlNL
Oracle heeft 31 kwetsbaarheden verholpen in diverse Oracle Communications-producten, waaronder Oracle Communications Unified Assurance, Oracle Communications Cloud Native Core Security Edge Protection Proxy, Oracle Communications MetaSolv Solution Module - ASR, Oracle Communications Service Catalog and Design en Oracle Communications Operations Monitor.
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-2026-2239Golang Go: Mehrere Schwachstellen ermöglichen Offenlegung von InformationenDeutsch2026-07-07csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Golang Go ausnutzen, um Informationen offenzulegen.
WID-SEC-W-2026-3403Oracle Communications: Mehrere SchwachstellenDeutsch2026-09-15csaf · cert_bundDE
Ein entfernter, anonymer oder authentisierter Angreifer kann mehrere Schwachstellen in Oracle Communications ausnutzen, um die Vertraulichkeit, Integrität und Verfügbarkeit zu gefährden.
WID-SEC-W-2026-4093Oracle TimesTen In-Memory Database: Mehrere SchwachstellenDeutsch2026-10-20csaf · cert_bundDE
Ein entfernter, authentisierter Angreifer kann mehrere Schwachstellen in Oracle TimesTen In-Memory Database ausnutzen, um die Vertraulichkeit, Integrität und Verfügbarkeit zu gefährden.
BIT-golang-2026-39822Root escape via symlink plus trailing slash in os2026-07-14vendor · osvUS
On Unix systems, opening a file in an os.Root improperly follows symlinks to locations outside of the Root when the final path component of the a path is a symbolic link and the path ends in /. For example, 'root.Open("symlink/")' will open "symlink" even when "symlink" is a symbolic link pointing outside of the root.
CERTFR-2026-AVI-1385Multiples vulnérabilités dans les produits VMwareFrançais2026-10-26vendor · certfrFR
GO-2026-4970Root escape via symlink plus trailing slash in os2026-07-07vendor · osvUS
On Unix systems, opening a file in an os.Root improperly follows symlinks to locations outside of the Root when the final path component of the a path is a symbolic link and the path ends in /. For example, 'root.Open("symlink/")' will open "symlink" even when "symlink" is a symbolic link pointing outside of the root.

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 ncsc_nl mettler_toledo_psirt certfr NVD CVE.org MITRE

published 2026-07-08modified 2026-10-25

references (12)

External citations — patches, advisories, analysis.

scry

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