CVE Explorer

CVE-2026-21885

Miniflux 2 is an open source feed reader. Prior to version 2.2.16, Miniflux's media proxy endpoint (`GET /proxy/{encodedDigest}/{encodedURL}`) can be abused to perform Server-Side Request Forgery (SSRF). An authenticated user can cause Miniflux to generate a signed proxy URL for attacker-chosen media URLs embedded in feed entry content, including internal addresses (e.g., localhost, private RFC1918 ranges, or link-local metadata endpoints). Requesting the resulting `/proxy/...` URL makes Miniflu

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:91df3080daeaeecd542098c1f085bf16d31acd63ca18f9ff240f68a44354e4af

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Affected products and versions

1 source assertion

{"product":"v2","vendor":"miniflux","versions":[{"status":"affected","version":"< 2.2.16"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:c6bee9adb31140899144deb76f8bfb4519bb9bba0908a84c18a49ee93e8ba7f9 · sha256:dbfe54cc58e71145… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion

{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","version":"3.1"},"metric_type":"cvssV3_1"}

cve_program_cvelist_v5cvss
urn:baitaphish:normalized-source-record:v2:c6bee9adb31140899144deb76f8bfb4519bb9bba0908a84c18a49ee93e8ba7f9 · sha256:dbfe54cc58e71145… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion

{"cweId":"CWE-918","description":"CWE-918: Server-Side Request Forgery (SSRF)","lang":"en","type":"CWE"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:c6bee9adb31140899144deb76f8bfb4519bb9bba0908a84c18a49ee93e8ba7f9 · sha256:dbfe54cc58e71145… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions

{"name":"https://github.com/miniflux/v2/security/advisories/GHSA-xwh2-742g-w3wp","tags":["x_refsource_CONFIRM"],"url":"https://github.com/miniflux/v2/security/advisories/GHSA-xwh2-742g-w3wp"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:c6bee9adb31140899144deb76f8bfb4519bb9bba0908a84c18a49ee93e8ba7f9 · sha256:dbfe54cc58e71145… · /containers/cna/references/0

{"tags":["exploit"],"url":"https://github.com/miniflux/v2/security/advisories/GHSA-xwh2-742g-w3wp"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:c6bee9adb31140899144deb76f8bfb4519bb9bba0908a84c18a49ee93e8ba7f9 · sha256:dbfe54cc58e71145… · /containers/adp/0/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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