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CVE-2026-34528

32
FAUCET Score

CVE-2026-34528 is a high-severity vulnerability affecting File Browser versions prior to 2.62.2, allowing unauthenticated users to achieve arbitrary command execution. This critical flaw arises when an administrator has enabled self-registration, server-side execution, and set the 'Execute' permission to true in the default user template, leading to improper privilege management (CWE-269). Rated with a CVSS score of 8.1 (High), the vulnerability has a network attack vector and high impact on confidentiality, integrity, and availability, though it requires specific server configurations to be exploitable. While not currently listed in CISA's KEV catalog and lacking public exploit code, it is on a "Hot List" and has garnered minor community discussion, indicating ongoing monitoring.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.62.2CPE matchmatch criteria
cpe:2.3:a:filebrowser:filebrowser:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.1HIGH

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.2
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.65%
Probability of exploitation in next 30 days
EPSS Percentile
47.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0065 is in the 29th percentile among its peer group of 36,862 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

gopatch availablevia ghsa
Product: github.com/filebrowser/filebrowser/v2Fixed in: 2.62.2
github_advisoryworkaround availablevia nvd_reference
View patch

Vendor Advisories (1)

goGHSA-x8jc-jvqm-pm3fhigh

File Browser's Signup Grants Execution Permissions When Default Permissions Includes Execution

Mar 31, 2026

References

github.com / filebrowser/filebrowser/releases/tag/v2.62.2
ProductRelease Notes
github.com / filebrowser/filebrowser/security/advisories/GHSA-x8jc-jvqm-pm3f
ExploitMitigationVendor Advisory