CVSS 4.0
Вероятност да бъде експлоатирана в следващите 30 дни (EPSS)
Атакува се
Време до експлоатация
Атакува се локално, без особени условия, само при определена конфигурация или състояние на системата, без вход и без действие от потребителя.
- Експлоатация: има публичен пример за експлоатация
- Атаката не може да се автоматизира
Описание
Оригинално описание
Uncontrolled Resource Consumption vulnerability in ash-project ash allows an attacker to force an expensive regular expression to run on input that a length constraint should have already rejected. Ash.Type.String.apply_constraints/2 (lib/ash/type/string.ex) evaluated the :match regex regardless of the min_length and max_length constraints on the same attribute. Because the length check did not gate the regex, an over-length value that the length constraint rejects still had the pattern applied to it, so the length limit that would otherwise bound the work never constrained the regex input. Against a backtracking pattern this yields catastrophic regex evaluation on attacker-sized input, and even a linear pattern runs on arbitrarily large input, consuming CPU per request. The fix skips the :match regex whenever a length constraint is violated, making the two checks order-independent. This issue affects ash: from 0.10.0 before 3.32.2.
Засегнати продукти
- ash-project ash: 0.10.0 преди 3.32.2
- ash-project ash: 05848d5f4affe60fddd812222a18ada080c0813b преди 14928412a1a94a69c47df8e98920d3a2b09cdec4
Вид слабост
История
- 1 септември 2026 Публикувано
Други уязвимости в ash-project ash
Първоизточници
- https://www.cve.org/CVERecord?id=CVE-2026-82735
- https://nvd.nist.gov/vuln/detail/CVE-2026-82735
- https://github.com/ash-project/ash/security/advisories/GHSA-mq7g-pffw-m8xh
- https://cna.erlef.org/cves/CVE-2026-82735.html
- https://osv.dev/vulnerability/EEF-CVE-2026-82735
- https://github.com/ash-project/ash/commit/14928412a1a94a69c47df8e98920d3a2b09cdec4