CVE-2026-41882: In JetBrains IntelliJ IDEA before 2024.3.7.1, 2025.1.7.1, 2025.2.6.2, 2025.3.4.1, 2026.1.1 reading arbitra

Routine

HIGH 7.4DOWNGRADE

CVE-2026-41882 is a high-severity flaw (CVSS 7.4) affecting intellij idea. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

In JetBrains IntelliJ IDEA before 2024.3.7.1, 2025.1.7.1, 2025.2.6.2, 2025.3.4.1, 2026.1.1 reading arbitrary local files was possible via built-in web server

Why this priority

High severity

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	7.4 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.4% (top 66%)
CISA exploited list	No
Weakness	CWE-59
Published	2026-04-30
Last modified	2026-10-26

Publisher (CNA): JetBrains s.r.o. · Vendor: jetbrains

Last updated 2026-10-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-04-30 12:16 UTCPublished CVE record published
2026-10-26 21:10 UTCUpdated Record last modified

jetbrains intellij idea DOWNGRADE

Affected: 2024.3.7.1 · 2025.1.7.1 · 2025.2.6.2 · 2025.3.4.1 · 2026.1.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 2024.3.7.1

1. Check installed version

apt-cache policy intellij-idea || rpm -q intellij-idea || intellij-idea --version

2. No fixed release: DOWNGRADE to a release before 2024.3.7.1 (Debian / Ubuntu)

apt-cache madison intellij-idea sudo apt install intellij-idea=<VERSION_BEFORE_2024.3.7.1> sudo apt-mark hold intellij-idea

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list intellij-idea sudo dnf downgrade intellij-idea-<VERSION_BEFORE_2024.3.7.1> sudo dnf versionlock add intellij-idea

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-41882?

intellij idea: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2026-41882 being exploited?

CVE-2026-41882 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-41882 affect?

CVE-2026-41882 affects intellij idea. Severity is high (CVSS 7.4). In JetBrains IntelliJ IDEA before 2024.3.7.1, 2025.1.7.1, 2025.2.6.2, 2025.3.4.1, 2026.1.1 reading arbitrary local files was possible via built-in web server

How urgent is CVE-2026-41882?

Priority 34/100. High severity

Related CVEs

CVE-2026-59792 CRITICAL 9.6 UPGRADE In JetBrains IntelliJ IDEA before 2026.1.4, 2026.2 code execution via path traversal in project workspace ID
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CVE-2026-64812 CRITICAL 10.0 UPGRADE In JetBrains IntelliJ IDEA before 2026.2 unauthorized input injection was possible in a Remote Development ses
CVE-2026-64815 HIGH 8.1 UPGRADE In JetBrains IntelliJ IDEA before 2026.2 arbitrary code injection was possible via UI Designer form files
CVE-2026-64814 HIGH 8.6 UPGRADE In JetBrains IntelliJ IDEA before 2026.2 unauthorized file access was possible in a Remote Development session

References

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