CVE-2026-101051 json
Cloudreve before 4.16.1 Path Traversal via Remote Download
published 2026-08-24 2 mo ago modified 2026-09-28 42 d ago also EUVD-2026-87980 , GHSA-w8j7-39hp-8x59 , GO-2026-6289
- cvss
- 3.1
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 17%
- public exploits
- 0
- none known
Summary
Cloudreve before 4.16.1 fails to properly sanitize file paths returned by remote downloaders, allowing authenticated users to create files outside the selected destination directory. Attackers can exploit path traversal sequences in downloader metadata to write files to unexpected locations within accessible namespaces.
Patch / fix
- cloudreve cloudreve 4.16.1
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- partial
- Assessed
- 42 d ago
Exploit prediction
0.26% chance of exploitation in the next 30 days, higher than 17% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/cloudreve/cloudreve/security/advisories/GHSA-w8j7-39hp-8x59 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 2.3 | CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N |
| CNA | 3.1 | 3.1 | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N |
| CNA | 4.0 | 2.3 | CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| go | github.com/cloudreve/Cloudreve/v4 | <=4.0.0-20260606032813-26b6b1044b02 all versions |
no fix listed |
| go | github.com/cloudreve/Cloudreve | all versions |
no fix listed |
| go | github.com/cloudreve/Cloudreve/v3 | all versions |
no fix listed |
Affected products
- cloudreve cloudreve
Classification
References
-
github.com
/cloudreve/cloudreve/security/advisories/GHSA-w8j7-39hp-8x59
vendor-advisory, exploit, web, advisory
-
vulncheck.com
/advisories/cloudreve-before-4.16.1-path-traversal-via-remote-download
third-party-advisory
-
github.com
/cloudreve/cloudreve
package
Sources
- CVE List CVE-2026-101051
- GitHub Advisory GHSA-w8j7-39hp-8x59
- NVD CVE-2026-101051
- OSV GO-2026-6289
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.
CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.