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CVE-2025-66736

21
FAUCET Score

CVE-2025-66736 describes an Incorrect Access Control vulnerability in youlai-boot V2.21.1, specifically within the importUsers function of SysUserController.java. This flaw allows regular users to bypass authorization and import user data into the database due to a missing permission check. Rated with a CVSS score of 7.1 (HIGH), it is a network-exploitable vulnerability with low attack complexity, requiring low privileges, and potentially leading to high integrity impact. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
2.21.1CPE matchmatch criteria
cpe:2.3:a:youlai:youlai-boot:2.21.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.1HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
4.2
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.28%
Probability of exploitation in next 30 days
EPSS Percentile
20.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0028 is in the 7th percentile among its peer group of 17,829 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 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

gist.github.com / old6ma/be1d4a5373ee2de901ed4c8d81485046
Third Party Advisory
gitee.com / youlaiorg/youlai-boot/commit/9197065102f92264ded814a9d3e9f2a4ff0da121
Patch
gitee.com / youlaiorg/youlai-boot/issues/ICH8FV
ExploitIssue TrackingVendor Advisory