Is CVE-2026-2031 in the CISA KEV catalog?

No. CVE-2026-2031 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-2031?

CVE-2026-2031 has a CVSS v4 base score of 10.0 (CRITICAL).

What is the EPSS score for CVE-2026-2031?

CVE-2026-2031 has an EPSS score of 0.51% (40th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2026-2031

CRITICAL

10.0

CVSS v4

NVD

Description

An Improper Access Control vulnerability in several internal API endpoints for Google Cloud Application Integration prior to 2026-01-23 allows a remote, unauthenticated attacker to disclose sensitive internal information and execute arbitrary code using specially crafted HTTP requests to inadvertently exposed internal API endpoints.

CWE-862Missing Authorization

CVSS v4 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

Impact

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

Exploit Intelligence

0.51%probability of exploitation in 30 days

40thpercentile

Low risk: more likely to be exploited than 40% of all known CVEs.

References

https://docs.cloud.google.com/gemini/enterprise/docs/release-notes#May_07_2026

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-06-17.