Affects widely used JetBrains IDEs; can enable MITM and developer workstation compromise, risking codebase and supply-chain integrity across organizations.
CVE-2026-118696
JetBrains IDEs trusted revoked Emudhra intermediate certificates in embedded browser.
Is CVE-2026-118696 being exploited?
Not confirmed. CVE-2026-118696 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.27% probability of exploitation in the next 30 days.
How severe is CVE-2026-118696?
CVE-2026-118696 is rated High with a CVSS score of 8.0. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-118696?
Yes. A fix has been recorded for CVE-2026-118696. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-118696 affect?
CVE-2026-118696 affects IntelliJ IDEA, PyCharm, PhpStorm, RubyMine, and 7 further products or versions. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-118696?
Update affected JetBrains IDEs to the vendor fixed versions immediately.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Embedded browser accepted revoked intermediate certs enabling TLS MITM, credential theft, and delivery of malicious content to developers.
Immediate action required
- affected>= 2026.2 and < 2026.2.4.1
- affected>= 2026.1 and < 2026.1.5.2
- affected< 2025.3.6.3
- affected>= 2026.2 and < 2026.2.6.1
- affected>= 2026.1 and < 2026.1.4.1
- affected< 2025.3.6.1
- affected>= 2026.1 and < 2026.1.3.1
- affected< 2025.3.3.1
- affected>= 2026.2 and < 2026.2.4
- affected>= 2026.1 and < 2026.1.5.1
- affected< 2025.3.5.2
- affected>= 2026.2 and < 2026.2.4
- affected>= 2026.1 and < 2026.1.5.1
- affected< 2025.3.6.2
- affected>= 2026.2 and < 2026.2.4
- affected>= 2026.1 and < 2026.1.5.1
- affected< 2025.3.6.2
- affected>= 2026.2 and < 2026.2.4
- affected>= 2026.1 and < 2026.1.5.1
- affected< 2025.3.6.2
- affected>= 2026.2 and < 2026.2.4
- affected>= 2026.1 and < 2026.1.5.3
- affected< 2025.3.5.3
- affected>= 2026.2 and < 2026.2.4
- affected>= 2026.1 and < 2026.1.5.1
- affected< 2025.3.6.2
- affected>= 2026.2 and < 2026.2.5
- affected>= 2026.1 and < 2026.1.4.1
- affected< 2025.3.7.1
- affected>= 2026.2 and < 2026.2.4
- affected>= 2026.1 and < 2026.1.5.1
- affected< 2025.3.6.2
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.
cisa ssvc
- exploitation
- none
- automatable
- no
- technical impact
- total
Assessed by CISA 30 Oct 2026 (SSVC 2.0.3).
timeline
- 30 Oct 2026CISA SSVC assessment: exploitation none
- 30 Oct 2026Published · 1 day later
- 31 Oct 2026CVE record last updated · same day later
- 2 Nov 2026Analysed by vulneraibility.com · 2 days later
- Linkjetbrains.com /privacy-security/issues-fixed/
- Linkblog.jetbrains.com /security/2026/10/compromised-emudhra-certificates-ides/
- Linkemudhra.com /en/post/certificate-security-incident
- Linkbugzilla.mozilla.org /show_bug.cgi?id=2083449
sources
- CVE List (CVE.org): description, affected versions, references; CVE Terms of Use
- NVD: CVSS and CPE data
- CISA Vulnrichment (ADP): SSVC decision points
- FIRST EPSS: exploit probability and percentile
- Summary, impact and triage tags: written by our AI analysis pipeline from the sources above. Check them against the sources.