Incorrect Authorization vulnerability in ash-project ash allows a client to read destination records unrelated to the source record through…
CVE-2026-114214
Incorrect Authorization vulnerability in ash-project ash allows a client to read destination records unrelated to the source record through a through relationship. When a hasmany relationship declared with through: was loaded for a single record with a limit of 1, or an unsorted hasone through relationship was loaded with a limit of 1, lateraljoin?/4 in lib/ash/actions/read/relationships.ex chose the path that reads the destination without any filter linking it to the source. The load returned the first destination record by sort, or any other record with an offset. The read still runs the destination's policies but carries the relationship as accessingfrom, so a client paging such a field (for example teachers(limit: 1, offset: n) through AshGraphql) can enumerate destination records that policies allow only when reached through that relationship. This issue affects ash: from 3.24.0 before 3.37.1.
Assessment
- CVSS
- 6 (v4.0)
- Severity
- Medium
- Known exploited
- Not listed in CISA KEV
- Exploit availability
- Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
- Published
- 25 October 2026
- Last updated
- 26 October 2026
- Weakness
- CWE-863
- Assigner
- 6b3ad84c-e1a6-4bf7-a703-f496b71e49db
CVSS vectorCVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
At the source
References
- https://cna.erlef.org/cves/CVE-2026-114214.html
- https://github.com/ash-project/ash/commit/24f41e23dcbd9d07cde270a8141490e8f79251f5
- https://github.com/ash-project/ash/commit/e37463307304b26bc8fd606322e5c4d8f7f060e5
- https://github.com/ash-project/ash/security/advisories/GHSA-g2h4-xp57-q863
- https://osv.dev/vulnerability/EEF-CVE-2026-114214
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