CVE-2026-39883 | open-telemetry opentelemetry-go up to 1.42.x untrusted search path (GHSA-hfvc-g4fc-pqhx)

VDB-356491 · CVE-2026-39883 · GHSA-HFVC-G4FC-PQHX OPEN-TELEMETRY OPENTELEMETRY-GO UP TO 1.42.X UNTRUSTED SEARCH PATH HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 6.7 $0-$5k 0.67+ Summaryinfo A vulnerability identified as problematic has been detected in open-telemetry opentelemetry-go up to 1.42.x. This vulnerability affects unknown code. This manipulation causes untrusted search path. This vulnerability is handled as CVE-2026-39883. It is possible to launch the attack on the local host. There is not any exploit available. You should upgrade the affected component. Detailsinfo A vulnerability classified as critical was found in open-telemetry opentelemetry-go up to 1.42.x. Affected by this vulnerability is some unknown functionality. The manipulation with an unknown input leads to a untrusted search path vulnerability. The CWE definition for the vulnerability is CWE-426. The product searches for critical resources using an externally-supplied search path that can point to resources that are not under the product's direct control. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is: OpenTelemetry-Go is the Go implementation of OpenTelemetry. From 1.15.0 to 1.42.0, the fix for CVE-2026-24051 changed the Darwin ioreg command to use an absolute path but left the BSD kenv command using a bare name, allowing the same PATH hijacking attack on BSD and Solaris platforms. This vulnerability is fixed in 1.43.0. It is possible to read the advisory at github.com. This vulnerability is known as CVE-2026-39883 since 04/07/2026. The exploitation appears to be difficult. Attacking locally is a requirement. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1574 according to MITRE ATT&CK. Upgrading to version 1.43.0 eliminates this vulnerability. The upgrade is hosted for download at github.com. Productinfo Vendor open-telemetry Name opentelemetry-go Version 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 1.10 1.11 1.12 1.13 1.14 1.15 1.16 1.17 1.18 1.19 1.20 1.21 1.22 1.23 1.24 1.25 1.26 1.27 1.28 1.29 1.30 1.31 1.32 1.33 1.34 1.35 1.36 1.37 1.38 1.39 1.40 1.41 1.42 Website Product: https://github.com/open-telemetry/opentelemetry-go/ 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: 7.0 VulDB Meta Temp Score: 6.7 VulDB Base Score: 7.0 VulDB Temp Score: 6.7 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: Untrusted search path CWE: CWE-426 CAPEC: 🔒 ATT&CK: 🔒 Physical: Partially Local: Yes Remote: No 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: opentelemetry-go 1.43.0 Timelineinfo 04/07/2026 CVE reserved 04/09/2026 +2 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: GHSA-hfvc-g4fc-pqhx Status: Confirmed CVE: CVE-2026-39883 (🔒) GCVE (CVE): GCVE-0-2026-39883 GCVE (VulDB): GCVE-100-356491 Entryinfo Created: 04/09/2026 02:50 Changes: 04/09/2026 02:50 (68) Complete: 🔍 Cache ID: 99:5BD:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸