CVE-2026-9158: eclipse foundation eclipse 4diac Use After Free
CVSS: 9.8v3.1CriticalAnalyzed
Published 18-06-2026Last modified 18-06-2026
Vulnerability summary
CVE-2026-9158 is a critical (CVSS 9.8) Use After Free vulnerability in eclipse foundation eclipse 4diac. EPSS estimates a 0.60% chance of exploitation in the next 30 days, higher than 47.7% of scored vulnerabilities.
CVSS score
9.8/10
010
Critical · v3.1 (NVD)EPSS score
0.60%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 18-06-2026PublishedVulnerability first disclosed.
- 18-06-2026Last modifiedVulnerability information updated.
Description
In Eclipse 4diac FORTE versions 3.0.0 to 3.1.0, a specially crafted DELETE connection command to the management interface can lead to a dangling pointer. This allows subsequent commands to access freed memory (use-after-free).
CVSS metrics
3 scores · 2 sources · 2 versionsMedium 5.2Preferred score · CVE.org (CNA)
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/S:P/RE:L/U:GreenSourcesAll 2 agree
- NVDNIST5.2MediumCVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:P/AU:X/R:X/V:X/RE:L/U:Green
Critical 9.8Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesSingle source
EPSS trend
Probability
0.60%
Chance of exploitation in the next 30 days
Percentile
48%
Versus all other CVEs
30-day change
0.00 pp
From 0.60% on 19-09-2026
19-09-202619-10-2026
EPSS score0.60%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Eclipse1 product
- 4diac_forte≥ 3.0.0, ≤ 3.1.0
Eclipse foundation1 product
- eclipse 4diac≥ 3.0.0, ≤ 3.1.0
2 vendors · 2 products
References
1 links- gitlab.eclipse.org/security/cve-assignment/-/work_items/109Vendor Advisory