HE
Product
Helidon
by Oracle · last CVE Sep 15, 2026
115
CVEs
0
On KEV
9.9
Max CVSS
0
New 30D
Severity mix
Critical 17High 47Medium 49Low 2
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Add Helidon to your stack to get only the CVEs that touch what you run.

CVECVSSEPSSPublishedSummary · affected versions
CVE-2026-71158
7.5
0%
Aug 18
Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server)
Affected: 3.2.18
CVE-2026-71153
7.5
0%
Aug 18
Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server)
Affected: 1.4.20
CVE-2026-70908
7.5
0%
Aug 18
Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server)
Affected: 3.2.18
CVE-2021-37136
7.5
6%
Oct 19
The Bzip2 decompression decoder function doesn't allow setting size restrictions on the decompressed output data (which affects the allocation size used during decompression)
Affected: 1.4.10; 2.4.0
CVE-2026-60915
7.4
0%
Aug 18
Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server)
Affected: 4.5.0
CVE-2026-73933
7.3
0%
Aug 18
Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server)
Affected: 4.5.3
CVE-2026-73918
7.3
0%
Aug 18
Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server)
Affected: 4.5.0
CVE-2026-73894
7.3
0%
Aug 18
Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server)
Affected: 4.5.0
CVE-2026-73891
7.3
0%
Aug 18
Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server)
Affected: 4.5.0
CVE-2026-73928
7.2
0%
Aug 18
Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server)
Affected: 4.5.3
CVE-2026-73886
7.2
0%
Aug 18
Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server)
Affected: 4.5.0
CVE-2026-73885
7.2
0%
Aug 18
Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server)
Affected: 3.2.18
CVE-2026-73876
7.2
0%
Aug 18
Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server)
Affected: 4.5.1
CVE-2026-73875
7.2
0%
Aug 18
Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server)
Affected: 3.2.19
CVE-2026-71029
6.8
0%
Aug 18
Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server)
Affected: 3.0.0 through 3.2.17
CVE-2026-83460
6.5
0%
Sep 15
Vulnerability in the Helidon product of Oracle Fusion Middleware (component: LRA)
Affected: 4.0.0 through 4.5.4
CVE-2026-73914
6.5
0%
Aug 18
Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server)
Affected: 4.5.0
CVE-2026-73904
6.5
0%
Aug 18
Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server)
Affected: 4.5.1
CVE-2026-73897
6.5
0%
Aug 18
Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server)
Affected: 4.5.0
CVE-2026-73896
6.5
0%
Aug 18
Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server)
Affected: 4.5.0
CVE-2026-73893
6.5
0%
Aug 18
Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server)
Affected: 4.5.0
CVE-2026-73892
6.5
0%
Aug 18
Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server)
Affected: 4.5.0
CVE-2026-73868
6.5
0%
Aug 18
Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server)
Affected: 4.5.0
CVE-2026-73867
6.5
0%
Aug 18
Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server)
Affected: 3.2.18
CVE-2026-71162
6.5
0%
Aug 18
Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server)
Affected: 3.2.18
CVE-2021-43797
6.5
3%
Dec 9
HTTP fails to validate against control chars in header names which may lead to HTTP request smuggling
Affected: 1.4.10; 2.4.0
CVE-2026-73898
6.1
0%
Aug 18
Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server)
Affected: 4.5.0
CVE-2026-73870
6.1
0%
Aug 18
Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server)
Affected: 4.5.0
CVE-2026-73869
6.1
0%
Aug 18
Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server)
Affected: 3.2.18
CVE-2026-71154
6.1
0%
Aug 18
Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server)
Affected: 4.5.0
CVE-2026-70923
6.1
0%
Aug 18
Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server)
Affected: 3.2.19
CVE-2026-73909
5.9
0%
Aug 18
Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server)
Affected: 3.2.19
CVE-2026-70716
5.9
0%
Aug 18
Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server)
Affected: 4.5.0
CVE-2021-21409
5.9
5%
Mar 30
Possible request smuggling in HTTP/2 due missing validation of content-length
Affected: 1.4.10; 2.4.0
CVE-2026-83488
5.4
0%
Sep 15
Vulnerability in the Helidon product of Oracle Fusion Middleware (component: helidon-microprofile-security)
Affected: 4.0.0 through 4.5.4
CVE-2026-73919
5.4
0%
Aug 18
Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server)
Affected: 3.2.18
CVE-2026-73913
5.4
0%
Aug 18
Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server)
Affected: 4.5.0
CVE-2026-73911
5.4
0%
Aug 18
Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server)
Affected: 4.5.0
CVE-2026-73881
5.4
0%
Aug 18
Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server)
Affected: 4.5.0
CVE-2026-73874
5.4
0%
Aug 18
Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server)
Affected: 4.5.0
CVE-2026-71165
5.4
0%
Aug 18
Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server)
Affected: 3.2.18
CVE-2026-83480
5.3
0%
Sep 15
Vulnerability in the Helidon product of Oracle Fusion Middleware (component: WebSocket)
Affected: 4.0.0 through 4.5.4
CVE-2026-83459
5.3
0%
Sep 15
Vulnerability in the Helidon product of Oracle Fusion Middleware (component: helidon-media-multipart)
Affected: 3.0.0 before 3.2.20
CVE-2026-83458
5.3
0%
Sep 15
Vulnerability in the Helidon product of Oracle Fusion Middleware (component: JSON)
Affected: 4.0.0 through 4.5.4
CVE-2026-73932
5.3
0%
Aug 18
Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server)
Affected: 4.5.3
CVE-2026-73910
5.3
0%
Aug 18
Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server)
Affected: 4.5.1
CVE-2026-73906
5.3
0%
Aug 18
Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server)
Affected: 4.5.0
CVE-2026-73900
5.3
0%
Aug 18
Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server)
Affected: 4.5.1
CVE-2026-73899
5.3
0%
Aug 18
Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server)
Affected: 3.2.19
CVE-2026-73895
5.3
0%
Aug 18
Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server)
Affected: 3.2.18
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