CVE-2026-8590
Spotfire OAuth2 PKCE Bypass for public clients
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.
INFO
Published Date :
July 14, 2026, 3:17 p.m.
Last Modified :
July 14, 2026, 3:17 p.m.
Remotely Exploit :
Yes !
Source :
8b479ca1-d558-42a2-87eb-a4751ba58a09
Affected Products
The following products are affected by CVE-2026-8590
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | |||||
| CVSS 4.0 | HIGH | 8b479ca1-d558-42a2-87eb-a4751ba58a09 | ||||
| CVSS 4.0 | HIGH | 8b479ca1-d558-42a2-87eb-a4751ba58a09 |
Solution
- Update Spotfire Server to a patched version.
- Consult vendor advisories for specific version guidance.
- Apply relevant security patches promptly.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-8590.
| URL | Resource |
|---|---|
| https://community.spotfire.com/articles/spotfire/spotfire-security-advisory-july-14-2026-spotfire-cve-2026-8590-r3641/ |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-8590 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-8590
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-8590 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-8590 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
New CVE Received by 8b479ca1-d558-42a2-87eb-a4751ba58a09
Jul. 14, 2026
Action Type Old Value New Value Added Affected [{'vendor': 'Spotfire', 'modules': ['Spotfire Server'], 'product': 'Spotfire Enterprise', 'versions': [{'status': 'affected', 'version': '0', 'versionType': 'patch', 'lessThanOrEqual': '14.0.12'}, {'status': 'affected', 'version': '0', 'versionType': 'patch', 'lessThanOrEqual': '14.4.2'}, {'status': 'affected', 'version': '0', 'versionType': 'patch', 'lessThanOrEqual': '14.5.0'}, {'status': 'affected', 'version': '0', 'versionType': 'patch', 'lessThanOrEqual': '14.6.1'}, {'status': 'affected', 'version': '0', 'versionType': 'patch', 'lessThanOrEqual': '14.6.2'}, {'status': 'affected', 'version': '0', 'versionType': 'patch', 'lessThanOrEqual': '14.7.0'}, {'status': 'affected', 'version': '0', 'versionType': 'patch', 'lessThanOrEqual': '14.8.0'}], 'defaultStatus': 'affected'}, {'vendor': 'Spotfire', 'modules': ['Spotfire Server'], 'product': 'Spotfire Enterprise with External Consumers', 'versions': [{'status': 'affected', 'version': '0', 'versionType': 'patch', 'lessThanOrEqual': '14.0.12'}, {'status': 'affected', 'version': '0', 'versionType': 'patch', 'lessThanOrEqual': '14.5.0'}, {'status': 'affected', 'version': '0', 'versionType': 'patch', 'lessThanOrEqual': '14.6.0'}, {'status': 'affected', 'version': '0', 'versionType': 'patch', 'lessThanOrEqual': '14.6.1'}, {'status': 'affected', 'version': '0', 'versionType': 'patch', 'lessThanOrEqual': '14.6.2'}, {'status': 'affected', 'version': '0', 'versionType': 'patch', 'lessThanOrEqual': '14.7.0'}, {'status': 'affected', 'version': '0', 'versionType': 'patch', 'lessThanOrEqual': '14.8.0'}], 'defaultStatus': 'affected'}, {'vendor': 'Spotfire', 'modules': ['Spotfire Server'], 'product': 'Spotfire on Kubernetes', 'versions': [{'status': 'affected', 'version': '0', 'versionType': 'patch', 'lessThanOrEqual': '4.2.0'}, {'status': 'affected', 'version': '5.0.x', 'versionType': 'patch'}, {'status': 'affected', 'version': '6.0.x', 'versionType': 'patch'}], 'defaultStatus': 'affected'}] Added 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. Added CVSS V4.0 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 Added Reference https://community.spotfire.com/articles/spotfire/spotfire-security-advisory-july-14-2026-spotfire-cve-2026-8590-r3641/ -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jul. 14, 2026
Action Type Old Value New Value Added SSVC {'id': 'CVE-2026-8590', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'total'}], 'version': '2.0.3', 'timestamp': '2026-07-14T14:58:17.513613Z'}