What is CVE-2026-57954?

CVE-2026-57954 is a medium-severity vulnerability in Yahoo Elide, classified under Missing Authorization. CVSS score: 4.3/10. Published 2026-06-29.

How severe is CVE-2026-57954?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Auth bypass in Yahoo Elide

CVE-2026-57954

Elide through 7.1.17 fails to enforce @ReadPermission on client-supplied sort expressions in SortingImpl.getValidSortingRules, allowing attackers to sort collections by forbidden fields. Attackers can infer hidden field values through row ordering analysis, leaking relative field ordering across all rows via both JSON:API and GraphQL read paths.

Vulnerability class: Broken Access Control

EPSS: 0.002 (6.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

Affected products

Yahoo Elide — versions 0

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

disclosure@vulncheck.com (issue-tracking)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-57954?: CVE-2026-57954 is a medium-severity vulnerability in Yahoo Elide, classified under Missing Authorization. CVSS score: 4.3/10. Published 2026-06-29.
How severe is CVE-2026-57954?: Medium severity. CVSS v3 base score is 4.3 out of 10.