6.5

CVE-2026-100265: jetbrains rider Download of Code Without Integrity Check

CVSS: 6.5v3.1MediumAnalyzed
Published 30-09-2026Last modified 30-09-2026
Open JSON

Vulnerability summary

CVE-2026-100265 is a medium (CVSS 6.5) Download of Code Without Integrity Check vulnerability in jetbrains rider. EPSS estimates a 0.10% chance of exploitation in the next 30 days, higher than 0.9% of scored vulnerabilities.

Overall risk
26/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.5/10
010
Medium · v3.1 (NVD)
EPSS score
0.10%
0%100%
Low · Change unavailable
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 30-09-2026
    PublishedVulnerability first disclosed.
  2. 30-09-2026
    Last modifiedVulnerability information updated.

Description

In JetBrains Rider before 2026.2.1 aI Assistant could auto-update third-party skills without user confirmation

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.10%

Chance of exploitation in the next 30 days

Percentile

1%

Versus all other CVEs

30-day change

Change unavailable

Change unavailable

01-10-202618-10-2026
EPSS score
0.10%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Jetbrains1 product

1 vendor · 1 product

References

1 links