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CVE-2026-78123VulnerabilityPublished Updated

SUSE strongswan · strongswan-6.1.0-1.1 on GA media

Affects SUSE strongswanSource GCVE Database

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Not known to be exploited · fixed in openSUSE package updates : update the Ubuntu strongswan package when convenient.

Data as of 1 Nov 2026, 11:03 UTC

Severity
Medium

Rated by Threat Radar · CVSS not yet scored by NVD

EPSS
0.4% chance of exploitation in 30 days – higher than 40% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 5.9.5-2ubuntu2.8, 5.9.13-2ubuntu4.24.04.5, 6.0.4-1ubuntu3.2

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 10 Sep 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 24 Oct 2026.

What to do

Upgrade the Ubuntu strongswan to 5.9.5-2ubuntu2.8 (package) or 5.9.13-2ubuntu4.24.04.5 (package) or 6.0.4-1ubuntu3.2 (package).

Affected software

ProductAffectedFixed in
openSUSEopensuse/strongswanpkg:rpm/opensuse/strongswanOther threatsAffected
  • =6.1.0-1.1
Fixed in–
Ubuntu Pro 14.04 LTSstrongswanpkg:deb/ubuntu/strongswan?arch=source&distro=esm-infra-legacy/trustyOther threatsAffected
  • 4.6.4-9 – 5.1.2~rc2-0ubuntu2
30 affected builds
Fixed in–
Ubuntu Pro 16.04 LTSstrongswanpkg:deb/ubuntu/strongswan?arch=source&distro=esm-infra/xenialOther threatsAffected
  • 5.1.2-0ubuntu6 – 5.3.5-1ubuntu3.8+esm4
17 affected builds
Fixed in–
Ubuntu Pro FIPS 16.04 LTSstrongswanpkg:deb/ubuntu/strongswan?arch=source&distro=fips/xenialOther threatsAffected
  • =5.3.5-1ubuntu3.fips.3.1
  • =5.3.5-1ubuntu3.fips.3.2
  • =5.3.5-1ubuntu3.fips.3.3
Fixed in–
Ubuntu Pro 18.04 LTSstrongswanpkg:deb/ubuntu/strongswan?arch=source&distro=esm-infra/bionicOther threatsAffected
  • 5.5.1-4ubuntu2 – 5.6.2-1ubuntu2.9+esm1
16 affected builds
Fixed in–
Ubuntu Pro FIPS-updates 18.04 LTSstrongswanpkg:deb/ubuntu/strongswan?arch=source&distro=fips-updates/bionicOther threatsAffected
  • 5.6.2-1ubuntu2.fips.2.5.1 – 5.6.2-1ubuntu2.fips.2.9+esm1
6 affected builds
Fixed in–

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

Description

These are all security issues fixed in the strongswan-6.1.0-1.1 package on the GA media of openSUSE Tumbleweed.

References

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