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CVE-2026-123854VulnerabilityPublished

JetBrains PyCharm: Schwachstelle ermöglicht Codeausführung

Affects Bundesamt für Sicherheit in der Informationstechnik JetBrainsSource GCVE Database

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Authoritative record:CVE-2026-123854· Medium 5.5

Not known to be exploited · CVSS 5.5 Medium : upgrade to 2026.3 when convenient.

Data as of 9 Nov 2026, 12:36 UTC

CVSS 3.1 base score
5.5Medium
How severe the flaw is on the 0–10 CVSS scale.

Thin evidence

One scorer or none
CVSS scores by source
CNA (JetBrains)CVSS 3.15.5
Patch
Available – fixed in 2026.3
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 6 Nov 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 9 Nov 2026.

What to do

Upgrade PyCharm to 2026.3.

Affected software

ProductAffectedFixed in
JetBrainsPyCharmAffected
  • <2026.3
Fixed in
  • 2026.3

AI-suggested

Users should update to JetBrains PyCharm version 2026.3 or later to remediate this vulnerability. Since an official fix is available, applying this update is the recommended mitigation.

Description

A vulnerability in JetBrains PyCharm IDE for Python developers allows code execution. The issue affects versions before and including 2026.3. A fix is available in version 2026.3.

References

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