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CVE-2026-30868

OPNsense is a FreeBSD based firewall and routing platform. Prior to 26.1.4, multiple OPNsense MVC API endpoints perform state‑changing operations but are accessible via HTTP GET requests without CSRF protection. The framework CSRF validation in ApiControllerBase only applies to POST/PUT/DELETE methods, allowing authenticated GET requests to bypass CSRF verification. As a result, a malicious website can trigger privileged backend actions when visited by an authenticated user, causing unintended s
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:9901d5794f284375347faced7738dec07a92a391d00b562ef67a3d88cad81e63
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"core","vendor":"opnsense","versions":[{"status":"affected","version":"< 26.1.4"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:7c32d9d7af0b537d58bf73ec300f60b673027d92294fd4912928d94aeca549bf · sha256:95b2098472fe2ac1… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":6.3,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:L","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:7c32d9d7af0b537d58bf73ec300f60b673027d92294fd4912928d94aeca549bf · sha256:95b2098472fe2ac1… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-352","description":"CWE-352: Cross-Site Request Forgery (CSRF)","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:7c32d9d7af0b537d58bf73ec300f60b673027d92294fd4912928d94aeca549bf · sha256:95b2098472fe2ac1… · /containers/cna/problemTypes/0/descriptions/0

Source references

1 source assertion
{"name":"https://github.com/opnsense/core/security/advisories/GHSA-pp58-2qpc-3j3f","tags":["x_refsource_CONFIRM"],"url":"https://github.com/opnsense/core/security/advisories/GHSA-pp58-2qpc-3j3f"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:7c32d9d7af0b537d58bf73ec300f60b673027d92294fd4912928d94aeca549bf · sha256:95b2098472fe2ac1… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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