CVE-2026-40885 | patrickhener goshs 2.0.0-beta.4/2.0.0-beta.5 Request Header information disclosure (GHSA-7h3j-592v-jcrp)

VDB-358571 · CVE-2026-40885 · GHSA-7H3J-592V-JCRP PATRICKHENER GOSHS 2.0.0-BETA.4/2.0.0-BETA.5 REQUEST HEADER INFORMATION DISCLOSURE HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 4.1 $0-$5k 1.02+ Summaryinfo A vulnerability has been found in patrickhener goshs 2.0.0-beta.4/2.0.0-beta.5 and classified as problematic. This issue affects some unknown processing of the component Request Header Handler. The manipulation leads to information disclosure. This vulnerability is documented as CVE-2026-40885. The attack can be initiated remotely. There is not any exploit available. The affected component should be upgraded. Detailsinfo A vulnerability, which was classified as problematic, has been found in patrickhener goshs 2.0.0-beta.4/2.0.0-beta.5. This issue affects an unknown part of the component Request Header Handler. The manipulation with an unknown input leads to a information disclosure vulnerability. Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality. The summary by CVE is: goshs is a SimpleHTTPServer written in Go. From 2.0.0-beta.4 to 2.0.0-beta.5, goshs leaks file-based ACL credentials through its public collaborator feed when the server is deployed without global basic auth. Requests to .goshs-protected folders are logged before authorization is enforced, and the collaborator websocket broadcasts raw request headers, including Authorization. An unauthenticated observer can capture a victim's folder-specific basic-auth header and replay it to read, upload, overwrite, and delete files inside the protected subtree. This vulnerability is fixed in 2.0.0-beta.6. It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2026-40885 since 04/15/2026. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful 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. The attack technique deployed by this issue is T1592 according to MITRE ATT&CK. Upgrading to version 2.0.0-beta.6 eliminates this vulnerability. Productinfo Vendor patrickhener Name goshs Version 2.0.0-beta.4 2.0.0-beta.5 Website Product: https://github.com/patrickhener/goshs/ 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: 4.3 VulDB Meta Temp Score: 4.1 VulDB Base Score: 4.3 VulDB Temp Score: 4.1 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: Information disclosure CWE: CWE-200 / CWE-284 / CWE-266 CAPEC: 🔒 ATT&CK: 🔒 Physical: No Local: No 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: goshs 2.0.0-beta.6 Timelineinfo 04/15/2026 CVE reserved 04/21/2026 +6 days Advisory disclosed 04/21/2026 +0 days VulDB entry created 04/21/2026 +0 days VulDB entry last update Sourcesinfo Product: github.com Advisory: GHSA-7h3j-592v-jcrp Status: Confirmed CVE: CVE-2026-40885 (🔒) GCVE (CVE): GCVE-0-2026-40885 GCVE (VulDB): GCVE-100-358571 Entryinfo Created: 04/21/2026 22:29 Changes: 04/21/2026 22:29 (68) Complete: 🔍 Cache ID: 99:45A:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸