zhistaredu StarTraining JWT Token application.yml UserLoginService.createToken hard-coded password
A vulnerability was determined in zhistaredu StarTraining up to 3.8.1. This issue affects the function UserLoginService.createToken of the file application.yml of the component JWT Token Handler. This manipulation of the argument user_id/company_id causes use of hard-coded password. The attack is possible to be carried out remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.
- Published
- Sep 25, 2026
- Updated
- Sep 28, 2026
- EPSS
- 0.5% · 37th percentile
- CWE
- CWE-255
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Report tools
Action score
22
Monitor
Low priority for now.
- CVSS
- 22 / 40 · 5.5 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 0 / 30 · 0.5%
CISA SSVC decision
- Exploitation
- proof of concept
- Automatable
- yes
- Technical impact
- partial
Vulnrichment: CISA's decision-tree inputs.
CNA vs NVD score
- NVD
- —
- CNA · VulDB
- 6.9
- NVD has not scored this yet; the score shown is the CNA’s.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.
Affected systems
—
Versions reported by the vendor
Affected version ranges reported by the assigning authority (VulDB). Independent of NVD's CPE analysis and usually ahead of it.
zhistaredu StarTraining
- 3.8.0, 3.8.1affected
Same product
zhistaredu: all recordsOther highest-scoring records for the same primary product.
- CVE-2026-97879zhistaredu StarTraining api-docs Endpoint SecurityConfig.java missing authentication22Monitor
- CVE-2026-97878zhistaredu StarTraining Druid Console index.html anonymous missing authentication22Monitor
- CVE-2026-100880zhistaredu StarTraining Upload Endpoint MimeTypeUtils.java cross site scripting8Monitor
- CVE-2026-100879zhistaredu StarTraining dataScope Endpoint SysRoleServiceImpl.java checkRoleAllowed authorization8Monitor
- CVE-2026-100878zhistaredu StarTraining authRole Endpoint SysUser.java SysUser.isAdmin authorization8Monitor
- CVE-2026-100881zhistaredu StarTraining application.yml cross site scripting4Monitor
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
No fix version is recorded for this entry. Check the references for vendor advisories.
Exploit status
No known public exploit
No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
No dated events beyond publication.
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
- VulDB CNA Teamcoordinator
- Vseen (VulDB User)reporter
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
No nightly-computed relations.
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
Technical details
Attack conditions
- Anyone who can reach it over the internet can trigger it.
- No account or password is required.
- No user action is required.
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- Integrity
- Availability
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- None
- Scope
- X
Weakness class (CWE)
CWE-255 · Credentials Management ErrorsCVSS vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/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
nvd-secondary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
MITRE has no CAPEC/ATT&CK mapping for this CWE.
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for helpChange log
No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.
References
- github.com/ArrestX/startraining-advisories/blob/main/advisories/ST-VULN-001-jwt-hardcoded-secret-forge.md
- vuldb.com/cve/CVE-2026-97877
- vuldb.com/submit/913575
- vuldb.com/vuln/409898
- vuldb.com/vuln/409898/cti
Vendor advisories and official records. Exploit/PoC links are deliberately left out.