CVE Explorer
CVE-2026-44966
Velocity.js is a JavaScript implementation of the Apache Velocity template engine. In 2.1.5 and earlier, a prototype pollution vulnerability was discovered in velocityjs. This issue occurs during the processing of #set directives in Velocity templates. If an application renders a template controlled by an attacker, it is possible to modify Object.prototype, potentially leading to Denial of Service (DoS) or Remote Code Execution (RCE) depending on the server environment.
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"product":"velocity.js","vendor":"shepherdwind","versions":[{"status":"affected","version":"<= 2.1.5"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:161749161dbf537537a99fde998733fcfaa25508a0033fece8fd87b91aedb290 · sha256:21e9b2a3f3035f42… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":8.3,"baseSeverity":"HIGH","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L","version":"3.1"},"metric_type":"cvssV3_1"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:161749161dbf537537a99fde998733fcfaa25508a0033fece8fd87b91aedb290 · sha256:21e9b2a3f3035f42… · /containers/cna/metrics/0/cvssV3_1
CWE assertions
1 source assertion{"cweId":"CWE-1321","description":"CWE-1321: Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:161749161dbf537537a99fde998733fcfaa25508a0033fece8fd87b91aedb290 · sha256:21e9b2a3f3035f42… · /containers/cna/problemTypes/0/descriptions/0
Source references
1 source assertion{"name":"https://github.com/shepherdwind/velocity.js/security/advisories/GHSA-j658-c2gf-x6pq","tags":["x_refsource_CONFIRM"],"url":"https://github.com/shepherdwind/velocity.js/security/advisories/GHSA-j658-c2gf-x6pq"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:161749161dbf537537a99fde998733fcfaa25508a0033fece8fd87b91aedb290 · sha256:21e9b2a3f3035f42… · /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.