CVE-2026-78126
strongSwan EAP-AKA Plugin NULL Pointer Dereference
Description
strongSwan 4.1.10 through 6.0.7 allows a NULL pointer dereference in the eap-aka plugin.
INFO
Published Date :
Sept. 11, 2026, 2:18 a.m.
Last Modified :
Sept. 14, 2026, 8:09 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | |||||
| CVSS 3.1 | MEDIUM | 8254265b-2729-46b6-b9e3-3dfca2d5bfca | ||||
| CVSS 3.1 | MEDIUM | [email protected] |
Solution
- Update strongSwan to a patched version.
- Apply security updates for the eap-aka plugin.
- Restart the strongSwan service.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-78126.
| URL | Resource |
|---|---|
| https://github.com/strongswan/strongswan/releases/tag/6.1.0 | Patch Release Notes Vendor Advisory |
| https://www.strongswan.org/blog/2026/09/07/strongswan-vulnerability-(cve-2026-78126).html | Mitigation Vendor Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-78126 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-78126
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-78126 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-78126 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Sep. 14, 2026
Action Type Old Value New Value Added CPE Configuration OR *cpe:2.3:a:strongswan:strongswan:*:*:*:*:*:*:*:* versions from (including) 4.1.10 up to (excluding) 6.1.0 Added Reference Type MITRE: https://github.com/strongswan/strongswan/releases/tag/6.1.0 Types: Patch, Release Notes, Vendor Advisory Added Reference Type MITRE: https://www.strongswan.org/blog/2026/09/07/strongswan-vulnerability-(cve-2026-78126).html Types: Mitigation, Vendor Advisory -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Sep. 14, 2026
Action Type Old Value New Value Added SSVC {'id': 'CVE-2026-78126', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-09-14T14:57:04.257804Z'} -
New CVE Received by [email protected]
Sep. 11, 2026
Action Type Old Value New Value Added Description strongSwan 4.1.10 through 6.0.7 allows a NULL pointer dereference in the eap-aka plugin. Added CVSS V3.1 AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H Added CWE CWE-476 Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/78xxx/CVE-2026-78126.json">CVE-2026-78126</a> Added Reference https://github.com/strongswan/strongswan/releases/tag/6.1.0 Added Reference https://www.strongswan.org/blog/2026/09/07/strongswan-vulnerability-(cve-2026-78126).html