Vulnerability 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 Score
LOW
Related Weaknesses (CWE)
References
- https://vuldb.com/?ctiid.350392
- https://vuldb.com/?id.350392
- https://vuldb.com/?submit.768282
- https://www.notion.so/go-fastdfs-web-Hardcoded-Apache-Shiro-Cipher-Key-reach-RCE
FAQ
What is CVE-2026-3963?
CVE-2026-3963 is a vulnerability with a CVSS score of 3.7 (LOW). 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 Ap...
How severe is CVE-2026-3963?
CVE-2026-3963 has been rated LOW with a CVSS base score of 3.7/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-3963?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.