# strongSwan vulnerabilities

Source: https://junglewise.ai/threats/vendors/strongswan  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 9 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/vendors/strongswan.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 13 vulnerabilities in strongSwan: 0 in the last 7 days and 12 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-78135, was published on 11 September 2026. Nothing was published in the last eight weeks. 1 technology has a page of its own.

## Counts

- Last 7 days: 0
- Last 30 days: 0
- Last 90 days: 12
- All time: 13 (0 critical, 0 exploited in the wild)

## About strongSwan

strongSwan is an open-source project that develops IPsec-based VPN software.

## Latest strongSwan vulnerabilities

- [CVE-2026-78135: strongSwan libcharon authentication bypass in IKEv2 CREATE_CHILD_SA handling](https://junglewise.ai/threats/cve-2026-78135-strongswan-libcharon-authentication-bypass-in-ikev2-create-child) (medium, CVSS 5.6, published 11 Sep 2026)
- [CVE-2026-78134: strongSwan incorrect identity binding in EAP-PEAP and EAP-TTLS](https://junglewise.ai/threats/cve-2026-78134-strongswan-incorrect-identity-binding-in-eap-peap-and-eap-ttls) (high, CVSS 7.1, published 11 Sep 2026)
- [CVE-2026-78133: strongSwan libcharon use-after-free in IKEv2 rekeying collision handling](https://junglewise.ai/threats/cve-2026-78133-strongswan-libcharon-use-after-free-in-ikev2-rekeying-collision) (high, CVSS 7.5, published 11 Sep 2026)
- [CVE-2026-78132: strongSwan x509 plugin infinite loop in ietfAttrSyntax parsing](https://junglewise.ai/threats/cve-2026-78132-strongswan-x509-plugin-infinite-loop-in-ietfattrsyntax-parsing) (high, CVSS 7.5, published 11 Sep 2026)
- [CVE-2026-78131: strongSwan x509 plugin memory leak in attribute certificate parsing](https://junglewise.ai/threats/cve-2026-78131-strongswan-x509-plugin-memory-leak-in-attribute-certificate) (low, CVSS 3.7, published 11 Sep 2026)
- [CVE-2026-78130: strongSwan x509 plugin NULL pointer dereference in attribute certificate validation](https://junglewise.ai/threats/cve-2026-78130-strongswan-x509-plugin-null-pointer-dereference-in-attribute) (high, CVSS 7.5, published 11 Sep 2026)
- [CVE-2026-78129: strongSwan infinite loop in PKCS#5 decryption](https://junglewise.ai/threats/cve-2026-78129-strongswan-infinite-loop-in-pkcs-5-decryption) (medium, CVSS 5.9, published 11 Sep 2026)
- [CVE-2026-78127: strongSwan libcharon memory leak in IKE message logging](https://junglewise.ai/threats/cve-2026-78127-strongswan-libcharon-memory-leak-in-ike-message-logging) (low, CVSS 3.7, published 11 Sep 2026)
- [CVE-2026-78126: strongSwan NULL pointer dereference in eap-aka plugin](https://junglewise.ai/threats/cve-2026-78126-strongswan-null-pointer-dereference-in-eap-aka-plugin) (medium, CVSS 5.9, published 11 Sep 2026)
- [CVE-2026-78124: strongSwan openssl plugin memory leak in PKCS#7 certificate enumeration](https://junglewise.ai/threats/cve-2026-78124-strongswan-openssl-plugin-memory-leak-in-pkcs-7-certificate) (low, CVSS 3.7, published 11 Sep 2026)
- [CVE-2026-78123: strongSwan openssl plugin expired pointer dereference in PKCS#7 parsing](https://junglewise.ai/threats/cve-2026-78123-strongswan-openssl-plugin-expired-pointer-dereference-in-pkcs-7) (medium, CVSS 5.9, published 11 Sep 2026)
- [CVE-2026-47895: strongSwan EAP-Identity parsing double-free in libstrongswan](https://junglewise.ai/threats/cve-2026-47895-strongswan-eap-identity-parsing-double-free-in-libstrongswan) (high, CVSS 7.5, published 22 Aug 2026)
- [CVE-2026-25075: strongSwan integer underflow in EAP-TTLS AVP parser](https://junglewise.ai/threats/cve-2026-25075-strongswan-integer-underflow-in-eap-ttls-avp-parser) (high, CVSS 7.5, published 23 Mar 2026)

## Most severe strongSwan vulnerabilities

- [CVE-2026-25075: strongSwan integer underflow in EAP-TTLS AVP parser](https://junglewise.ai/threats/cve-2026-25075-strongswan-integer-underflow-in-eap-ttls-avp-parser) (high, CVSS 7.5, published 23 Mar 2026)
- [CVE-2026-78133: strongSwan libcharon use-after-free in IKEv2 rekeying collision handling](https://junglewise.ai/threats/cve-2026-78133-strongswan-libcharon-use-after-free-in-ikev2-rekeying-collision) (high, CVSS 7.5, published 11 Sep 2026)
- [CVE-2026-47895: strongSwan EAP-Identity parsing double-free in libstrongswan](https://junglewise.ai/threats/cve-2026-47895-strongswan-eap-identity-parsing-double-free-in-libstrongswan) (high, CVSS 7.5, published 22 Aug 2026)
- [CVE-2026-78132: strongSwan x509 plugin infinite loop in ietfAttrSyntax parsing](https://junglewise.ai/threats/cve-2026-78132-strongswan-x509-plugin-infinite-loop-in-ietfattrsyntax-parsing) (high, CVSS 7.5, published 11 Sep 2026)
- [CVE-2026-78130: strongSwan x509 plugin NULL pointer dereference in attribute certificate validation](https://junglewise.ai/threats/cve-2026-78130-strongswan-x509-plugin-null-pointer-dereference-in-attribute) (high, CVSS 7.5, published 11 Sep 2026)
- [CVE-2026-78134: strongSwan incorrect identity binding in EAP-PEAP and EAP-TTLS](https://junglewise.ai/threats/cve-2026-78134-strongswan-incorrect-identity-binding-in-eap-peap-and-eap-ttls) (high, CVSS 7.1, published 11 Sep 2026)
- [CVE-2026-78129: strongSwan infinite loop in PKCS#5 decryption](https://junglewise.ai/threats/cve-2026-78129-strongswan-infinite-loop-in-pkcs-5-decryption) (medium, CVSS 5.9, published 11 Sep 2026)
- [CVE-2026-78126: strongSwan NULL pointer dereference in eap-aka plugin](https://junglewise.ai/threats/cve-2026-78126-strongswan-null-pointer-dereference-in-eap-aka-plugin) (medium, CVSS 5.9, published 11 Sep 2026)
- [CVE-2026-78123: strongSwan openssl plugin expired pointer dereference in PKCS#7 parsing](https://junglewise.ai/threats/cve-2026-78123-strongswan-openssl-plugin-expired-pointer-dereference-in-pkcs-7) (medium, CVSS 5.9, published 11 Sep 2026)
- [CVE-2026-78135: strongSwan libcharon authentication bypass in IKEv2 CREATE_CHILD_SA handling](https://junglewise.ai/threats/cve-2026-78135-strongswan-libcharon-authentication-bypass-in-ikev2-create-child) (medium, CVSS 5.6, published 11 Sep 2026)

## Vulnerabilities per week

Nothing was published in the last eight weeks.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 1 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 11 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## strongSwan technologies

- [strongSwan](https://junglewise.ai/threats/technologies/strongswan): 13 vulnerabilities

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "strongSwan vulnerabilities", https://junglewise.ai/threats/vendors/strongswan, 9 November 2026.