CVE-2023-43961 — sa-token-core
HIGHCVE-2023-43961 is a high-severity (CVSS 8.8) CWE-863 vulnerability in cn.dev33:sa-token-core. 1 public exploit or proof-of-concept reference is indexed, so weaponization risk is real. A fix is available for cn.dev33:sa-token-core — see the affected versions and patch details below.
SaToken authentication bypass vulnerability
Exploitation Status
Proof-of-concept exploit code exists
- CISA’s SSVC triage found public proof-of-concept exploit code for this CVE, though no confirmed active exploitation.
- A successful exploit gives an attacker total control of the affected component, not partial access.
Exploitation and automatability from CISA’s SSVC triage for CVE-2023-43961.
EPSS Exploitation Probability
Probability of exploitation in the next 30 days, from FIRST.org EPSS.
How urgent is this, really
Where this sits among everything scored
Real-World Exposure
cn.dev33:sa-token-coreReal-time download stats are indexed for npm and PyPI packages. This vulnerability affects Maven packages — download data is not available via public APIs for these ecosystems.
Description
An issue in Dromara SaToken version 1.3.50RC and before when using Spring dynamic controllers, a specially crafted request may cause an authentication bypass.
Affected Packages
| Ecosystem | Package | Vulnerable range | Fix |
|---|---|---|---|
| ☕Maven | cn.dev33:sa-token-core | all versions | 1.36.0cn.dev33:sa-token-core:1.36.0 |
Affected Products
sa-tokendromaraResearch use only. For defensive security, authorized penetration testing, and academic research only. Never execute exploit code against systems without explicit written authorization.
Detection & mitigation playbook
Open-source dependencyDetect
Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for cn.dev33:sa-token-core, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.
Fix
Update cn.dev33:sa-token-core to 1.36.0 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2023-43961 is resolved across your whole dependency graph.
Workarounds
Put an independent control in front of the weakness: restrict the affected endpoint or interface to trusted networks, require an additional authentication factor or proxy-level check, and invalidate existing sessions and credentials in case the flaw has already been used.
Frequently Asked Questions
Is CVE-2023-43961 in your dependencies?
Find it across Maven, including transitive dependencies.