CVE-2026-78129
MEDIUMCVSS 5.9/10EPSS 0.41%
Last modified
CVE-2026-78129 is a medium-severity vulnerability rated 5.9/10 on the CVSS scale. strongSwan 4.6.2 through 6.0.7 has an infinite loop in PKCS#5 decryption.. EPSS estimates a 0.41% chance of exploitation in the next 30 days.
Description
strongSwan 4.6.2 through 6.0.7 has an infinite loop in PKCS#5 decryption.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Strongswan | Strongswan | >= 4.6.2, < 6.1.0 |
References
- https://github.com/strongswan/strongswan/releases/tag/6.1.0Patch, Release Notes, Vendor Advisory
- https://www.strongswan.org/blog/2026/09/07/strongswan-vulnerability-(cve-2026-78129).htmlMitigation, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-78129?
strongSwan 4.6.2 through 6.0.7 has an infinite loop in PKCS#5 decryption.
How severe is CVE-2026-78129?
CVE-2026-78129 has a CVSS score of 5.9/10 (MEDIUM severity). The EPSS model estimates a 0.41% probability of exploitation in the next 30 days.
How do I fix CVE-2026-78129?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-78122docker-socket-proxy fails to properly gate read endpoints in…7.4
- CVE-2026-78123strongSwan 5.0.2 through 6.0.7 has an Expired Pointer Derefe…5.9
- CVE-2026-78124strongSwan 5.0.2 through 6.0.7 allows PKCS#7 certificate enu…3.7
- CVE-2026-78125The LearnPress WordPress plugin before 4.0.3 does not perfo…5.3
- CVE-2026-78126strongSwan 4.1.10 through 6.0.7 allows a NULL pointer derefe…5.9
- CVE-2026-78127libcharon in strongSwan 4.1.2 through 6.0.7 has a missing re…3.7
- CVE-2026-7813Authorization vulnerability in pgAdmin 4 server mode affecti…9.9
- CVE-2026-78130strongSwan 4.2.0 through 6.0.7 has a NULL pointer dereferenc…7.5
- CVE-2026-78131strongSwan 4.2.0 through 6.0.7 has a missing release of memo…3.7
- CVE-2026-78132strongSwan 5.1.3 through 6.0.7 has an infinite loop in the x…7.5
- CVE-2026-78133libcharon in strongSwan 6.0.0 through 6.0.7 has a use-after-…7.5
- CVE-2026-78134strongSwan 4.5.0 through 6.0.7 has Incorrect Access Control …7.1
Are you affected by CVE-2026-78129?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST