CVE-2026-3963

LOW EPSS 27.5%
Published Mar 11, 20263mo ago · Modified Jun 17, 20262w ago
2.9 CVSS 4.0
Low
Find Similar
Published Mar 11, 2026 3mo ago
Last Modified Jun 17, 2026 2w ago

Description

A security flaw has been discovered in perfree go-fastdfs-web up to 1.3.7. This affects the function rememberMeManager of the file src/main/java/com/perfree/config/ShiroConfig.java of the component Apache Shiro RememberMe. Performing a manipulation results in use of hard-coded cryptographic key . The attack can be initiated remotely. The complexity of an attack is rather high. The exploitability is reported as difficult. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS Details

Base Score
2.9
Exploitability
—
Impact
—
Vector string
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/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
Attack Vector Network
Attack Complexity High
Privileges Required None
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
27.5% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 2

CWE-320
CWE-321

References 4

  • vuldb.com https://vuldb.com/?ctiid.350392
  • vuldb.com https://vuldb.com/?id.350392
  • vuldb.com https://vuldb.com/?submit.768282
  • notion.so https://www.notion.so/go-fastdfs-web-Hardcoded-Apache-Shiro-Cipher-Key-reach-RCE-313ea92a3c41806fae44dffe53e69751

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.