CVE Explorer
CVE-2026-21853
AFFiNE is an open-source, all-in-one workspace and an operating system. Prior to version 0.25.4, there is a one-click remote code execution vulnerability. This vulnerability can be exploited by embedding a specially crafted affine: URL on a website. An attacker can trigger the vulnerability in two common scenarios: 1/ A victim visits a malicious website controlled by the attacker and the website redirect to the URL automatically, or 2/ A victim clicks on a crafted link embedded on a legitimate w
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"product":"AFFiNE","vendor":"toeverything","versions":[{"status":"affected","version":"< 0.25.4"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:b190290a1d58bb082aaa2feeee5265c79e7d03d1c26a6a336f726630b9b9ce0c · sha256:83c05d9ab559ec7a… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":8.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:b190290a1d58bb082aaa2feeee5265c79e7d03d1c26a6a336f726630b9b9ce0c · sha256:83c05d9ab559ec7a… · /containers/cna/metrics/0/cvssV3_1
CWE assertions
1 source assertion{"cweId":"CWE-94","description":"CWE-94: Improper Control of Generation of Code ('Code Injection')","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:b190290a1d58bb082aaa2feeee5265c79e7d03d1c26a6a336f726630b9b9ce0c · sha256:83c05d9ab559ec7a… · /containers/cna/problemTypes/0/descriptions/0
Source references
3 source assertions{"name":"https://github.com/toeverything/AFFiNE/commit/c9a4129a3e9376b688c18e1dcd6c87a775caac80","tags":["x_refsource_MISC"],"url":"https://github.com/toeverything/AFFiNE/commit/c9a4129a3e9376b688c18e1dcd6c87a775caac80"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:b190290a1d58bb082aaa2feeee5265c79e7d03d1c26a6a336f726630b9b9ce0c · sha256:83c05d9ab559ec7a… · /containers/cna/references/2
{"name":"https://github.com/toeverything/AFFiNE/pull/13864","tags":["x_refsource_MISC"],"url":"https://github.com/toeverything/AFFiNE/pull/13864"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:b190290a1d58bb082aaa2feeee5265c79e7d03d1c26a6a336f726630b9b9ce0c · sha256:83c05d9ab559ec7a… · /containers/cna/references/1
{"name":"https://github.com/toeverything/AFFiNE/security/advisories/GHSA-67vm-2mcj-8965","tags":["x_refsource_CONFIRM"],"url":"https://github.com/toeverything/AFFiNE/security/advisories/GHSA-67vm-2mcj-8965"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:b190290a1d58bb082aaa2feeee5265c79e7d03d1c26a6a336f726630b9b9ce0c · sha256:83c05d9ab559ec7a… · /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.