EUVD-2025-209898
GHSA-rg3p-p27c-2f39
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Unauthenticated remote read of arbitrary files gives high confidentiality impact, while a read-only traversal has no integrity or availability effect, so I and A are set to None.
Primary rating from Vendor (mitre).
CVSS VectorVendor: mitre
Lifecycle Timeline
3DescriptionCVE.org
An issue in gohttp commit 34ea51 allows attackers to execute a directory traversal via supplying a crafted request.
AnalysisAI
Directory traversal in gohttp (the itang/gohttp Go static file server, at commit 34ea51) lets remote attackers read files outside the intended web root by supplying a crafted request with path-traversal sequences. Publicly available exploit code exists (a proof-of-concept gist), but there is no public exploit identified as being used in active attacks and it is not in CISA KEV; EPSS is very low at 0.05% (17th percentile). Impact is primarily unauthorized disclosure of arbitrary server-side files.
Technical ContextAI
gohttp is a lightweight HTTP static-file server written in Go, distributed as source on GitHub (itang/gohttp). The flaw is CWE-22 (Improper Limitation of a Pathname to a Restricted Directory, 'Path Traversal'): the server maps request paths to filesystem paths without adequately canonicalizing or rejecting traversal sequences (e.g. '../' or encoded variants), so a request can escape the served directory and resolve to arbitrary files the server process can read. Because Go static servers commonly join a base directory with the raw request path, missing use of path sanitization / http.Dir-style containment or filepath.Clean checks is the typical root cause. The CPE data is a placeholder ('cpe:2.3:a:n/a:n/a') and does not identify a formal vendor/product entry, consistent with an unversioned open-source project pinned to a single commit.
RemediationAI
No vendor-released patch version is identified at time of analysis, as the project is tracked by commit rather than tagged releases; monitor the upstream report at github.com/itang/gohttp/issues/13 for a fix commit and rebuild from the patched source once available. As compensating controls: run gohttp behind a reverse proxy (e.g. nginx) that normalizes and rejects '../' and encoded traversal sequences before they reach the server; serve only a dedicated directory containing non-sensitive content on a low-privilege user account with a chroot/container so a traversal cannot reach sensitive files (trade-off: reduces blast radius but does not fix the parsing flaw); and restrict network exposure by binding to localhost or an internal segment and firewalling the listening port if public exposure is not required (trade-off: limits legitimate remote use). If source modification is feasible, sanitize incoming paths with filepath.Clean and enforce that the resolved path stays within the served root (or use http.FileServer with http.Dir), which addresses the root cause directly.
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Same weakness CWE-22 – Path Traversal
View allSame technique Path Traversal
View allVendor StatusVendor
SUSE
Severity: Important| Product | Status |
|---|---|
| SUSE Linux Enterprise Server 16.1 | Affected |
| SUSE Linux Enterprise Server for SAP applications 16.1 | Affected |
| SUSE Linux Enterprise Module for Package Hub 15 SP5 | Affected |
| SUSE Linux Enterprise Module for Package Hub 15 SP6 | Affected |
| openSUSE Leap 15.5 | Affected |
| openSUSE Leap 15.6 | Affected |
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External POC / Exploit Code
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