{"cve":"CVE-2026-48816","nvd":{"published":"2026-07-14T21:17:01.497","modified":"2026-10-24T21:10:00.130","status":"Deferred","description":"sigstore-js provides JavaScript libraries for interacting with Sigstore services. Prior to 3.1.1, @sigstore/verify derives a transparency-log timestamp from tlogEntries[].integratedTime for bundle v0.2 inclusionProof-only entries even though the inclusion proof path does not cryptographically bind integratedTime, allowing an attacker who can supply an untrusted bundle to influence certificate validity and timestampThreshold verification decisions. This issue is fixed in version 3.1.1.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","score":6.5},"cwes":["CWE-345"],"references":["https://github.com/sigstore/sigstore-js/commit/f074710a91ea9260a9ac2142345634579843a3cd","https://github.com/sigstore/sigstore-js/pull/1659","https://github.com/sigstore/sigstore-js/releases/tag/%40sigstore%2Fverify%403.1.1","https://github.com/sigstore/sigstore-js/security/advisories/GHSA-xgjw-pm74-86q4","https://github.com/sigstore/sigstore-js/security/advisories/GHSA-xgjw-pm74-86q4"],"products":[],"source":"nvd","synced_at":"2026-10-25T17:50:06.907763985+00:00"},"epss":{"cve":"CVE-2026-48816","score":0.00144,"percentile":0.03665,"date":"2026-10-25"},"kev":null,"osv":[{"id":"GHSA-xgjw-pm74-86q4","url":"https://osv.dev/vulnerability/GHSA-xgjw-pm74-86q4","summary":"sigstore-js has Insufficient Verification of Data Authenticity","modified":"2026-09-10T03:51:12.575910884Z","packages":[{"ecosystem":"npm","name":"@sigstore/verify","purl":"pkg:npm/%40sigstore/verify","ranges":[">=3.1.0 <3.1.1"],"fixed":["3.1.1"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}