CVE-2026-69659

Uncontrolled Resource Consumption vulnerability in ash-project ash allows an attacker to exhaust the memory of the node via a crafted keyset pagination cursor. Read actions with keyset pagination deserialize the client-supplied page[:after] or page[:before] cursor in decode_values/2 in lib/ash/page/keyset.ex, which base64-decodes the value and passes it to :erlang.binary_to_term/2 without bounding its size. The Erlang external term format supports zlib-compressed payloads, which the decoder inflates transparently, so a cursor of a few kilobytes can allocate tens of megabytes of heap in a single call. Ash itself only ever encodes cursors uncompressed, so the decoder accepts a term shape its encoder never produces. Concurrent requests aggregate these allocations and can terminate the node. This issue affects ash: from 1.17.0 before 3.31.1.

• CWE-502

• https://cna.erlef.org/cves/CVE-2026-69659.htmlThird Party Advisory
• https://github.com/ash-project/ash/commit/1816b103af975221210478d61db20adcea700319Patch
• https://github.com/ash-project/ash/security/advisories/GHSA-j35q-v8h8-7mwqVendor Advisory, Patch
• https://osv.dev/vulnerability/EEF-CVE-2026-69659Third Party Advisory, Patch
• https://github.com/ash-project/ash/security/advisories/GHSA-j35q-v8h8-7mwqVendor Advisory, Patch

Published

Aug 9, 2026

Last Modified

Aug 18, 2026

Status

Analyzed

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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