{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-62326", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-07-13T19:27:58.315Z", "datePublished": "2026-08-26T20:36:25.043Z", "dateUpdated": "2026-08-26T20:36:25.043Z"}, "containers": {"cna": {"title": "Weblate Has Uncontrolled Resource Consumption via", "problemTypes": [{"descriptions": [{"cweId": "CWE-400", "lang": "en", "description": "CWE-400: Uncontrolled Resource Consumption", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}}], "references": [{"name": "https://github.com/WeblateOrg/weblate/security/advisories/GHSA-r52j-4vjp-q949", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/WeblateOrg/weblate/security/advisories/GHSA-r52j-4vjp-q949"}, {"name": "https://github.com/WeblateOrg/weblate/commit/8fd8431414bec5c86dbc94815319fc474518286a", "tags": ["x_refsource_MISC"], "url": "https://github.com/WeblateOrg/weblate/commit/8fd8431414bec5c86dbc94815319fc474518286a"}], "affected": [{"vendor": "WeblateOrg", "product": "weblate", "versions": [{"version": "< 2026.7", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-08-26T20:36:25.043Z"}, "descriptions": [{"lang": "en", "value": "Weblate is a web-based continuous localization platform used to manage software translations. In versions prior to 2026.7, a user with the built-in \"Edit source\" role can store a malicious regular expression in a source string's flags that is executed without any timeout, allowing them to stall requests and deny service. Regular expressions supplied through the regex: quality check and regex placeholders are compiled during validation but later run against translation content in RegexCheck and PlaceholderCheck with no time limit, so a catastrophic-backtracking pattern like ^(a|aa)+$ can consume CPU indefinitely. Because Weblate re-runs these checks for every linked target unit in the same request when a source unit's flags change, a single edit can trigger sustained CPU-bound denial of service. This issue is fixed in version 2026.7."}], "source": {"advisory": "GHSA-r52j-4vjp-q949", "discovery": "UNKNOWN"}}}}

{}

{"affected": [{"affectedData": [{"product": "weblate", "vendor": "WeblateOrg", "versions": [{"status": "affected", "version": "< 2026.7"}]}], "source": "[email protected]"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Weblate is a web-based continuous localization platform used to manage software translations. In versions prior to 2026.7, a user with the built-in \"Edit source\" role can store a malicious regular expression in a source string's flags that is executed without any timeout, allowing them to stall requests and deny service. Regular expressions supplied through the regex: quality check and regex placeholders are compiled during validation but later run against translation content in RegexCheck and PlaceholderCheck with no time limit, so a catastrophic-backtracking pattern like ^(a|aa)+$ can consume CPU indefinitely. Because Weblate re-runs these checks for every linked target unit in the same request when a source unit's flags change, a single edit can trigger sustained CPU-bound denial of service. This issue is fixed in version 2026.7."}], "id": "CVE-2026-62326", "lastModified": "2026-08-26T21:16:39.820", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "[email protected]", "type": "Secondary"}]}, "published": "2026-08-26T21:16:39.820", "references": [{"source": "[email protected]", "url": "https://github.com/WeblateOrg/weblate/commit/8fd8431414bec5c86dbc94815319fc474518286a"}, {"source": "[email protected]", "url": "https://github.com/WeblateOrg/weblate/security/advisories/GHSA-r52j-4vjp-q949"}], "sourceIdentifier": "[email protected]", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-400"}], "source": "[email protected]", "type": "Primary"}]}

{}

{"created": "2026-08-26T23:00:14.049015+00:00", "title": "Uncontrolled Regex Processing Leading to Denial of Service in Weblate", "updated": "2026-08-26T23:00:14.049021+00:00", "vendors": []}