01 Record
CVE-2026-12856
Vscode-java: vscode: command injection vulnerability in the javadoc hover provider of the vscode-java extension
HighPUBLISHEDCNA: redhat
CNA base score8.8 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
02 Description
Vscode-java: vscode: command injection vulnerability in the javadoc hover provider of the vscode-java extension
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
- 0.54% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 45.6% 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 2026-10-25.
- 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
- 2026-06-29 12:33Z4 MO AGO
- Last updated
- 2026-07-15 01:22Z3 MO AGO
- Reserved
- 2026-06-22
- Assigning CNA
- redhat
- Record state
- PUBLISHED
- Severity
- High (CVSS 8.8)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-88Improper Neutralization of Argument Delimiters in a Command ('Argument Injection')Base
- Data version
- 5.2
- Document digest
- 6be94987546e34390bbe41632418ca6a61837be478f7801fdcc7d63e8e935c4c
05 Affected products
VendorProductVersionsPlatforms
06 References
- access.redhat.comRHSA-2026:36820https://access.redhat.com/errata/RHSA-2026:36820
- access.redhat.comhttps://access.redhat.com/security/cve/CVE-2026-12856
- bugzilla.redhat.comRHBZ#2491278https://bugzilla.redhat.com/show_bug.cgi?id=2491278
- github.comhttps://github.com/redhat-developer/vscode-java/security/advisories/GHSA-7qv8-6qrw-3crv
- security.access.redhat.comhttps://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-12856.json