CVE-2026-115359

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{"bugzilla": {"description": "github.com/openbao/openbao: OpenBao: Rate limit quota bypass via improper role resolution", "id": "2559285", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2559285"}, "csaw": false, "cvss3": {"cvss3_base_score": "3.7", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L", "status": "draft"}, "cwe": "CWE-770", "details": ["OpenBao before 2.6.4 and 2.7.x before 2.7.1 contains a flaw in its rate limit quota subsystem where role resolution fails for requests with form-encoded bodies or forwarded certificates, so quota rules scoped to backend-specific roles are not enforced. Valid callers can repeatedly issue tokens without consuming the configured role-based rate limit budget.", "A flaw was found in OpenBao. When processing requests with form-encoded bodies or forwarded certificates, the rate limit quota subsystem fails to resolve backend roles properly, preventing quota rules from being enforced. A remote caller can exploit this flaw to bypass rate limits and repeatedly issue tokens without consuming their allocated budget. This unrestricted request processing can lead to resource exhaustion and a Denial of Service (DoS)."], "name": "CVE-2026-115359", "public_date": "2026-10-22T19:13:34Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-115359\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-115359\nhttps://github.com/openbao/openbao/security/advisories/GHSA-5v22-543h-wg96\nhttps://www.vulncheck.com/advisories/openbao-before-2.6.4-and-2.7.0-before-2.7.1-role-based-rate-limit-quota-bypass-via-request-parsing"], "statement": "This vulnerability is rated as Low severity because exploitation only circumvents role-level request throttles and cannot be leveraged for unauthorized data access or privilege escalation. Successful abuse requires specific configurations employing backend-scoped rate limit quotas alongside requests carrying forwarded certificates or form-encoded payloads. Red Hat products do not distribute or support OpenBao, leaving default enterprise environments unaffected.", "threat_severity": "Low"}

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