{"id":"CVE-2026-118276","aliases":["EUVD-2026-111578","GHSA-5gqh-669g-4hvg"],"status":"published","title":"a2ui-project a2ui Parser expression_parser.ts formatString resource consumption","description":"A vulnerability was determined in a2ui-project a2ui up to 0.10.6. This vulnerability affects the function formatString of the file renderers/web_core/src/v0_9/basic_catalog/expressions/expression_parser.ts of the component Parser. This manipulation causes resource consumption. The attack may be initiated remotely. The exploit has been publicly disclosed and may be utilized. Patch name: 1f71d1aac1b145ef57c7526f9e0cff316f5934e2. Applying a patch is the recommended action to fix this issue.","severity":{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00239,"percentile":0.15062,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-400","CWE-404"],"published":"2026-10-28T03:45:18Z","modified":"2026-11-04T02:30:55Z","products":[{"vendor":"a2ui-project","product":"a2ui"}],"references":[{"url":"https://vuldb.com/vuln/427574","tags":["vdb-entry","technical-description","advisory"]},{"url":"https://vuldb.com/vuln/427574/cti","tags":["signature","permissions-required","report"]},{"url":"https://vuldb.com/cve/CVE-2026-118276","tags":["third-party-advisory","advisory"]},{"url":"https://vuldb.com/submit/1015139","tags":["third-party-advisory","advisory"]},{"url":"https://github.com/a2ui-project/a2ui/issues/2389","tags":["exploit","issue-tracking","report"]},{"url":"https://github.com/a2ui-project/a2ui/pull/2433","tags":["issue-tracking","patch","fix"]},{"url":"https://github.com/a2ui-project/a2ui/commit/1f71d1aac1b145ef57c7526f9e0cff316f5934e2","tags":["patch","fix"]},{"url":"https://github.com/a2ui-project/a2ui/","tags":["product","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-118276","tags":["advisory"]},{"url":"https://github.com/a2ui-project/a2ui"},{"url":"https://github.com/advisories/GHSA-5gqh-669g-4hvg"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/118xxx/CVE-2026-118276.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-118276","title":"a2ui-project a2ui Parser expression_parser.ts formatString resource consumption","description":"A vulnerability was determined in a2ui-project a2ui up to 0.10.6. This vulnerability affects the function formatString of the file renderers/web_core/src/v0_9/basic_catalog/expressions/expression_parser.ts of the component Parser. This manipulation causes resource consumption. The attack may be initiated remotely. The exploit has been publicly disclosed and may be utilized. Patch name: 1f71d1aac1b145ef57c7526f9e0cff316f5934e2. Applying a patch is the recommended action to fix this issue.","status":"published","published":"2026-10-28T03:45:18.266Z","modified":"2026-11-02T20:07:16.071Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P","level":"medium","assessor":"cna"},{"version":"3.1","score":3.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C","level":"low","assessor":"cna"},{"version":"3.0","score":3.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C","level":"low","assessor":"cna"},{"version":"2.0","score":4,"vector":"AV:N/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:OF/RC:C","assessor":"cna"}],"cwes":["CWE-400","CWE-404"],"updated_at":"2026-11-03T00:01:30.510858Z"}],"euvd":[{"id":"EUVD-2026-111578","description":"A vulnerability was determined in a2ui-project a2ui up to 0.10.6. This vulnerability affects the function formatString of the file renderers/web_core/src/v0_9/basic_catalog/expressions/expression_parser.ts of the component Parser. This manipulation causes resource consumption. The attack may be initiated remotely. The exploit has been publicly disclosed and may be utilized. Patch name: 1f71d1aac1b145ef57c7526f9e0cff316f5934e2. Applying a patch is the recommended action to fix this issue.","status":"published","published":"2026-10-28T03:45:18Z","modified":"2026-11-02T20:07:16Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P","level":"medium"}],"updated_at":"2026-11-03T05:08:37.390802Z"}],"ghsa":[{"id":"GHSA-5gqh-669g-4hvg","title":"A vulnerability was determined in a2ui-project a2ui up to 0.10.6. This vulnerability affects the...","description":"A vulnerability was determined in a2ui-project a2ui up to 0.10.6. This vulnerability affects the function formatString of the file renderers/web_core/src/v0_9/basic_catalog/expressions/expression_parser.ts of the component Parser. This manipulation causes resource consumption. The attack may be initiated remotely. The exploit has been publicly disclosed and may be utilized. Patch name: 1f71d1aac1b145ef57c7526f9e0cff316f5934e2. Applying a patch is the recommended action to fix this issue.","status":"published","published":"2026-10-28T06:30:25Z","modified":"2026-10-28T06:30:26Z","cvss":[{"version":"4.0","score":2,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/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","level":"low"},{"version":"3.1","score":3.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L","level":"low"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T15:14:32.579072Z"}],"nvd":[{"id":"CVE-2026-118276","description":"A vulnerability was determined in a2ui-project a2ui up to 0.10.6. This vulnerability affects the function formatString of the file renderers/web_core/src/v0_9/basic_catalog/expressions/expression_parser.ts of the component Parser. This manipulation causes resource consumption. The attack may be initiated remotely. The exploit has been publicly disclosed and may be utilized. Patch name: 1f71d1aac1b145ef57c7526f9e0cff316f5934e2. Applying a patch is the recommended action to fix this issue.","status":"published","published":"2026-10-28T04:18:01.557Z","modified":"2026-11-02T20:17:37.213Z","cvss":[{"version":"4.0","score":2,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/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","level":"low","assessor":"secondary"},{"version":"3.1","score":3.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L","level":"low","assessor":"secondary"},{"version":"2.0","score":4,"vector":"AV:N/AC:L/Au:S/C:N/I:N/A:P","level":"medium","assessor":"secondary"}],"cwes":["CWE-400","CWE-404"],"updated_at":"2026-11-03T00:02:37.938656Z"}],"osv":[{"id":"CVE-2026-118276","title":"a2ui-project a2ui Parser expression_parser.ts formatString resource consumption","description":"A vulnerability was determined in a2ui-project a2ui up to 0.10.6. This vulnerability affects the function formatString of the file renderers/web_core/src/v0_9/basic_catalog/expressions/expression_parser.ts of the component Parser. This manipulation causes resource consumption. The attack may be initiated remotely. The exploit has been publicly disclosed and may be utilized. Patch name: 1f71d1aac1b145ef57c7526f9e0cff316f5934e2. Applying a patch is the recommended action to fix this issue.","status":"published","published":"2026-10-28T03:45:18.266Z","modified":"2026-11-06T10:46:30.415225252Z","cvss":[{"version":"4.0","score":2,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P","level":"low"}],"cwes":["CWE-400","CWE-404"],"updated_at":"2026-11-06T11:08:55.873774Z"}]}}