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CVE-2025-50735

25
FAUCET Score

CVE-2025-50735 is a high-severity directory traversal vulnerability affecting NextChat versions up to 2.16.0. The flaw stems from the WebDAV proxy's failure to properly handle dot path segments, enabling attackers to access sensitive information through authenticated or anonymous WebDAV endpoints. With a CVSS score of 7.5, this vulnerability is easily exploitable over the network without requiring user interaction or privileges, leading to a high impact on confidentiality. Currently, there is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.16.0CPE matchmatch criteria
cpe:2.3:a:nextchat:nextchat:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.83%
Probability of exploitation in next 30 days
EPSS Percentile
53.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0083 is in the 29th percentile among its peer group of 51,506 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

github.com / ChatGPTNextWeb/NextChat/blob/main/app/api/webdav/%5B...path%5D/route.ts
Product
github.com / ChatGPTNextWeb/NextChat/blob/main/app/utils/cloud/webdav.ts
Product
github.com / fai1424/Vulnerability-Research/tree/main/CVE-2025-50735
ExploitThird Party Advisory