TI-2018-15929 Aliases CVE-2018-1000531 GHSA-jc5h-g7j7-qh2w

inversoft prime-jwt version prior to commit abb0d479389a2509f939452a6767dc424bb5e6ba…

LOW 36CWE-20Published 2018-06-26 · Updated 2024-08-05

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: —
Confidentiality · integrity · availability: None · High · None
Fix status: No fix listed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA.

Summary

inversoft prime-jwt version prior to commit abb0d479389a2509f939452a6767dc424bb5e6ba contains a CWE-20 vulnerability in JWTDecoder.decode that can result in an incorrect signature validation of a JWT token. This attack can be exploitable when an attacker crafts a JWT token with a valid header using 'none' as algorithm and a body to requests it be validated. This vulnerability was fixed after commit abb0d479389a2509f939452a6767dc424bb5e6ba.

Why it matters now

EPSS 0.01637 76th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:inversoft:prime-jwt::::::::	up to 1.3.0	Vulnerable	Inversoft

cpe:2.3:a:inversoft:prime-jwt:*:*:*:*:*:*:*:* Versions up to 1.3.0 Vulnerable ·Inversoft

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2018-1000531
2026-10-03 Alias added: GHSA-jc5h-g7j7-qh2w

References

Advisory 1

https://github.com/inversoft/prime-jwt/issues/3

TI-2018-15778 inversoft prime-jwt version prior to version 1.3.0 or prior to commit… CVSS 3.0CRITICAL 9.8

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences