Authentication and Authorization Bypass in Coverity Connect

published 2026-07-29 3 mo ago modified 2026-10-24 15 d ago also EUVD-2026-50413

cvss: 9.2; version 4.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.5%; EPSS 0.5% chance of exploitation in 30 days, percentile 43%
public exploits: 0; none known

A Spring Security authentication and authorization bypass exists in Coverity Connect versions between 2023.6.0 and 2026.3.0. An unauthenticated malicious threat actor that can send a specially crafted HTTP request is able to bypass authentication and authorization controls on certain API endpoints to access data within Coverity.

Patch / fix

fixed in 1

Black Duck Coverity Connect 2026.6.0

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: total
Assessed: 3 mo ago (2026-07-29)

Exploit prediction

0.50% chance of exploitation in the next 30 days, higher than 43% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	4.0	9.2	CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N
CNA	4.0	9.2	CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/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

Affected products

Black Duck Coverity Connect

Classification

Weakness

CWE-288 Authentication Bypass Using an Alternate Path or Channel

References

community.blackduck.com /s/article/Black-Duck-Product-Security-Advisory-CVE-2026-8338-Authentication-and-Authorization-Bypass
vendor-advisory

Sources

CVE List CVE-2026-8338
NVD CVE-2026-8338

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary