Spotfire OAuth2 PKCE Bypass for public clients

Summary

CVE	CVE-2026-8590
State	PUBLISHED
Assigner	Spotfire
Source Priority	CVE Program / NVD first with legacy fallback
Published	2026-07-14 15:17:10 UTC
Updated	2026-07-15 21:00:31 UTC
Description	Vulnerability in Spotfire Spotfire Enterprise (Spotfire Server modules), Spotfire Spotfire Enterprise with External Consumers (Spotfire Server modules), Spotfire Spotfire on Kubernetes (Spotfire Server modules). This issue affects Spotfire Enterprise: through 14.0.12, through 14.4.2, through 14.5.0, through 14.6.1, through 14.6.2, through 14.7.0, through 14.8.0; Spotfire Enterprise with External Consumers: through 14.0.12, through 14.5.0, through 14.6.0, through 14.6.1, through 14.6.2, through 14.7.0, through 14.8.0; Spotfire on Kubernetes: through 4.2.0, 5.0.X, 6.0.X.

Risk And Classification

Primary CVSS: v4.0 8.7 HIGH from 8b479ca1-d558-42a2-87eb-a4751ba58a09

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N/E:X/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

EPSS: 0.003120000 probability, percentile 0.232840000 (date 2026-07-20)

Problem Types: CWE-noinfo Not enough information

Version	Source	Type	Score	Severity	Vector
4.0	8b479ca1-d558-42a2-87eb-a4751ba58a09	Secondary	8.7	HIGH	`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N/E:X/C...`
4.0	CNA	CVSS	8.7	HIGH	`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N`

CVSS v4.0 Breakdown

Attack Vector

Network

Attack Complexity

Low

Attack Requirements

None

Privileges Required

None

User Interaction

Passive

Confidentiality

High

Integrity

High

Availability

Low

Sub Conf.

None

Sub Integrity

None

Sub Availability

None

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N/E:X/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

Vendor Declared Affected Products

Source	Vendor	Product	Version	Platforms
CNA	Spotfire	Spotfire Enterprise	affected 14.0.12 patch	Not specified
CNA	Spotfire	Spotfire Enterprise	affected 14.4.2 patch	Not specified
CNA	Spotfire	Spotfire Enterprise	affected 14.5.0 patch	Not specified
CNA	Spotfire	Spotfire Enterprise	affected 14.6.1 patch	Not specified
CNA	Spotfire	Spotfire Enterprise	affected 14.6.2 patch	Not specified
CNA	Spotfire	Spotfire Enterprise	affected 14.7.0 patch	Not specified
CNA	Spotfire	Spotfire Enterprise	affected 14.8.0 patch	Not specified
CNA	Spotfire	Spotfire Enterprise With External Consumers	affected 14.0.12 patch	Not specified
CNA	Spotfire	Spotfire Enterprise With External Consumers	affected 14.5.0 patch	Not specified
CNA	Spotfire	Spotfire Enterprise With External Consumers	affected 14.6.0 patch	Not specified
CNA	Spotfire	Spotfire Enterprise With External Consumers	affected 14.6.1 patch	Not specified
CNA	Spotfire	Spotfire Enterprise With External Consumers	affected 14.6.2 patch	Not specified
CNA	Spotfire	Spotfire Enterprise With External Consumers	affected 14.7.0 patch	Not specified
CNA	Spotfire	Spotfire Enterprise With External Consumers	affected 14.8.0 patch	Not specified
CNA	Spotfire	Spotfire On Kubernetes	affected 4.2.0 patch	Not specified
CNA	Spotfire	Spotfire On Kubernetes	affected 5.0.x patch	Not specified
CNA	Spotfire	Spotfire On Kubernetes	affected 6.0.x patch	Not specified

References

Reference	Source	Link	Tags
community.spotfire.com/articles/spotfire/spotfire-security-advisory-july-14-2026-spo...	8b479ca1-d558-42a2-87eb-a4751ba58a09	community.spotfire.com
CVE Program record	CVE.ORG	www.cve.org	canonical
NVD vulnerability detail	NVD	nvd.nist.gov	canonical, analysis

No vendor comments have been submitted for this CVE.

There are currently no legacy QID mappings associated with this CVE.