01 Record
CVE-2026-34769
Electron: Renderer command-line switch injection via undocumented commandLineSwitches webPreference
HighPUBLISHEDCNA: GitHub_M
CNA base score7.8 CVSS v3.xCVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H
02 Description
Electron: Renderer command-line switch injection via undocumented commandLineSwitches webPreference
03 Exploitation and scoring
- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
- EPSS probability
- 0.29% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 21.9% of scored records. A rank, not a probability.
- NVD base score
- 8.8 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-07-24.
- Red Hat severity
- Important. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2026-04-03 23:33Z6 MO AGO
- Last updated
- 2026-07-15 01:03Z3 MO AGO
- Reserved
- 2026-03-30
- Assigning CNA
- GitHub_M
- Record state
- PUBLISHED
- Severity
- High (CVSS 7.8)
- CNA CVSS vector
- CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H
- Weaknesses
- Data version
- 5.2
- Document digest
- fd2e0218ae5fc3f8ac9b3053eea504f778c08414cc2ba0baad7fdfca458bf3cc
05 Affected products
VendorProductVersionsPlatforms
electronelectron< 38.8.6, >= 39.0.0-alpha.1, < 39.8.0, >= 40.0.0-alpha.1, < 40.7.0, >= 41.0.0-alpha.1, < 41.0.0-beta.8—
06 References
- github.comhttps://github.com/electron/electron/security/advisories/GHSA-9wfr-w7mm-pc7f
- access.redhat.comhttps://access.redhat.com/security/cve/CVE-2026-34769
- bugzilla.redhat.comRHBZ#2455004https://bugzilla.redhat.com/show_bug.cgi?id=2455004
- security.access.redhat.comhttps://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-34769.json