CVE-2026-35205 | Helm up to 4.1.3 Signature Verification failing open

VDB-356583 · CVE-2026-35205 · GCVE-0-2026-35205 HELM UP TO 4.1.3 SIGNATURE VERIFICATION FAILING OPEN HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 6.0 $0-$5k 0.12+ Summaryinfo A vulnerability has been found in Helm up to 4.1.3 and classified as critical. The impacted element is an unknown function of the component Signature Verification. Performing a manipulation results in failing open. This vulnerability was named CVE-2026-35205. The attack may be initiated remotely. There is no available exploit. The affected component should be upgraded. Detailsinfo A vulnerability, which was classified as critical, was found in Helm up to 4.1.3. This affects an unknown part of the component Signature Verification. The manipulation with an unknown input leads to a failing open vulnerability. CWE is classifying the issue as CWE-636. When the product encounters an error condition or failure, its design requires it to fall back to a state that is less secure than other options that are available, such as selecting the weakest encryption algorithm or using the most permissive access control restrictions. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is: Helm is a package manager for Charts for Kubernetes. From 4.0.0 to 4.1.3, Helm will install plugins missing provenance (.prov file) when signature verification is required. This vulnerability is fixed in 4.1.4. It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2026-35205 since 04/01/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. Upgrading to version 4.1.4 eliminates this vulnerability. Productinfo Name Helm Version 4.1.0 4.1.1 4.1.2 4.1.3 Website Product: https://github.com/helm/helm/ CPE 2.3info 🔒 🔒 🔒 CPE 2.2info 🔒 🔒 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CNA CVSS-B Score: 🔒 CNA CVSS-BT Score: 🔒 CNA Vector: 🔒 CVSSv3info VulDB Meta Base Score: 6.3 VulDB Meta Temp Score: 6.0 VulDB Base Score: 6.3 VulDB Temp Score: 6.0 VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv2info Vector Complexity Authentication Confidentiality Integrity Availability Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock VulDB Base Score: 🔒 VulDB Temp Score: 🔒 VulDB Reliability: 🔍 Exploitinginfo Class: Failing open CWE: CWE-636 CAPEC: 🔒 ATT&CK: 🔒 Physical: Partially Local: Yes Remote: Yes Availability: 🔒 Status: Not defined Price Prediction: 🔍 Current Price Estimation: 🔒 0-Day Unlock Unlock Unlock Unlock Today Unlock Unlock Unlock Unlock Threat Intelligenceinfo Interest: 🔍 Active Actors: 🔍 Active APT Groups: 🔍 Countermeasuresinfo Recommended: Upgrade Status: 🔍 0-Day Time: 🔒 Upgrade: Helm 4.1.4 Timelineinfo 04/01/2026 CVE reserved 04/09/2026 +8 days Advisory disclosed 04/09/2026 +0 days VulDB entry created 04/09/2026 +0 days VulDB entry last update Sourcesinfo Product: github.com Advisory: github.com Status: Confirmed CVE: CVE-2026-35205 (🔒) GCVE (CVE): GCVE-0-2026-35205 GCVE (VulDB): GCVE-100-356583 Entryinfo Created: 04/09/2026 17:35 Changes: 04/09/2026 17:35 (65) Complete: 🔍 Cache ID: 99:3C3:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸