{"id":"CVE-2026-74792","aliases":["EUVD-2026-59958","GHSA-6g73-98rg-crm7","GHSA-p6q4-fgr8-vx4p"],"status":"published","title":"Scriban before 7.0.0 Stack Overflow via nested array initializers","description":"Scriban before 7.0.0 (affected versions \u003c= 6.6.0) contains a stack overflow vulnerability in nested array initializer parsing. Deeply nested array initializers recurse through a path (ParseArrayInitializer → ParseExpression → ParseArrayInitializer) that is not covered by the ExpressionDepthLimit counter added in the fix for GHSA-wgh7-7m3c-fx25. An attacker who can supply untrusted input to Template.Parse can trigger an uncatchable StackOverflowException that immediately terminates the process, even with the default ExpressionDepthLimit enabled.","severity":{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00527,"percentile":0.44999,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-674"],"published":"2026-03-24T22:06:24Z","modified":"2026-10-28T02:31:04Z","fixes":[{"ecosystem":"NuGet","package":"Scriban","fixed_in":["7.0.0"],"sources":["ghsa","osv"]},{"ecosystem":"NuGet","package":"Scriban.Signed","fixed_in":["7.0.0"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"NuGet","package":"Scriban","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.0.0"}]}]},{"source":"ghsa","ecosystem":"NuGet","package":"Scriban.Signed","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.0.0"}]}]},{"source":"osv","ecosystem":"NuGet","package":"Scriban","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.0.0"}]}],"versions":["0.1.0","0.10.0","0.11.0","0.12.0","0.12.1","0.13.0","0.14.0","0.15.0","0.16.0","0.2.0","0.2.1","0.2.2","0.3.0","0.3.1","0.3.1-pre028","0.4.0","0.5.0","0.6.0","0.7.0","0.9.0","0.9.0-pre100","0.9.1","1.0.0","1.0.0-beta-001","1.0.0-beta-002","1.0.0-beta-003","1.0.0-beta-004","1.0.0-beta-005","1.0.0-beta-006","1.1.0","1.1.1","1.2.0","1.2.1","1.2.2","1.2.3","1.2.4","1.2.5","1.2.6","1.2.7","1.2.8","1.2.9","2.0.0","2.0.0-alpha-001","2.0.0-alpha-002","2.0.0-alpha-003","2.0.0-alpha-004","2.0.0-alpha-005","2.0.0-alpha-006","2.0.1","2.1.0","2.1.1","2.1.2","2.1.3","2.1.4","3.0.0","3.0.1","3.0.2","3.0.3","3.0.4","3.0.5","3.0.6","3.0.7","3.1.0","3.2.0","3.2.1","3.2.2","3.3.0","3.3.1","3.3.2","3.3.3","3.4.0","3.4.1","3.4.2","3.5.0","3.6.0","3.7.0","3.8.0","3.8.1","3.8.2","3.9.0","4.0.0","4.0.1","4.0.2","4.1.0","5.0.0","5.1.0","5.10.0","5.11.0","5.12.0","5.12.1","5.2.0","5.3.0","5.4.0","5.4.1","5.4.2","5.4.3","5.4.4","5.4.5","5.4.6","5.5.0","5.5.1","5.5.2","5.6.0","5.7.0","5.8.0","5.9.0","5.9.1","6.0.0","6.1.0","6.2.0","6.2.1","6.3.0","6.4.0","6.5.0","6.5.1","6.5.2","6.5.3","6.5.4","6.5.5","6.5.6","6.5.7","6.5.8","6.6.0"]},{"source":"osv","ecosystem":"NuGet","package":"Scriban.Signed","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.0.0"}]}],"versions":["0.10.0","0.11.0","0.12.0","0.12.1","0.13.0","0.14.0","0.15.0","0.16.0","0.9.0","0.9.1","1.0.0","1.0.0-beta-001","1.0.0-beta-002","1.0.0-beta-003","1.0.0-beta-004","1.0.0-beta-005","1.0.0-beta-006","1.1.0","1.1.1","1.2.0","1.2.1","1.2.2","1.2.3","1.2.4","1.2.5","1.2.6","1.2.7","1.2.8","1.2.9","2.0.0","2.0.0-alpha-001","2.0.0-alpha-002","2.0.0-alpha-003","2.0.0-alpha-004","2.0.0-alpha-005","2.0.0-alpha-006","2.0.1","2.1.0","2.1.1","2.1.2","2.1.3","2.1.4","3.0.0","3.0.1","3.0.2","3.0.3","3.0.4","3.0.5","3.0.6","3.0.7","3.1.0","3.2.0","3.2.1","3.2.2","3.3.0","3.3.1","3.3.2","3.3.3","3.4.0","3.4.1","3.4.2","3.5.0","3.6.0","3.7.0","3.8.0","3.8.1","3.8.2","3.9.0","4.0.0","4.0.1","4.0.2","4.1.0","5.0.0","5.1.0","5.10.0","5.11.0","5.12.0","5.12.1","5.2.0","5.3.0","5.4.0","5.4.1","5.4.2","5.4.3","5.4.4","5.4.5","5.4.6","5.5.0","5.5.1","5.5.2","5.6.0","5.7.0","5.8.0","5.9.0","5.9.1","6.0.0","6.1.0","6.2.0","6.2.1","6.3.0","6.4.0","6.5.0","6.5.1","6.5.2","6.5.3","6.5.4","6.5.5","6.5.6","6.5.7","6.5.8","6.6.0"]}],"products":[{"vendor":"scriban","product":"scriban"}],"references":[{"url":"https://github.com/scriban/scriban/security/advisories/GHSA-p6q4-fgr8-vx4p","tags":["vendor-advisory","exploit","advisory","web"]},{"url":"https://www.vulncheck.com/advisories/scriban-before-stack-overflow-via-nested-array-initializers","tags":["third-party-advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-74792","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-6g73-98rg-crm7"},{"url":"https://github.com/advisories/GHSA-wgh7-7m3c-fx25","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-p6q4-fgr8-vx4p"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/74xxx/CVE-2026-74792.json","tags":["advisory"]},{"url":"https://github.com/scriban/scriban","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-74792","title":"Scriban before 7.0.0 Stack Overflow via nested array initializers","description":"Scriban before 7.0.0 (affected versions \u003c= 6.6.0) contains a stack overflow vulnerability in nested array initializer parsing. Deeply nested array initializers recurse through a path (ParseArrayInitializer → ParseExpression → ParseArrayInitializer) that is not covered by the ExpressionDepthLimit counter added in the fix for GHSA-wgh7-7m3c-fx25. An attacker who can supply untrusted input to Template.Parse can trigger an uncatchable StackOverflowException that immediately terminates the process, even with the default ExpressionDepthLimit enabled.","status":"published","published":"2026-08-16T13:14:15.706Z","modified":"2026-08-18T14:08:24.056Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-674"],"updated_at":"2026-11-02T14:20:03.081354Z"}],"euvd":[{"id":"EUVD-2026-59958","description":"Scriban before 7.0.0 (affected versions \u003c= 6.6.0) contains a stack overflow vulnerability in nested array initializer parsing. Deeply nested array initializers recurse through a path (ParseArrayInitializer → ParseExpression → ParseArrayInitializer) that is not covered by the ExpressionDepthLimit counter added in the fix for GHSA-wgh7-7m3c-fx25. An attacker who can supply untrusted input to Template.Parse can trigger an uncatchable StackOverflowException that immediately terminates the process, even with the default ExpressionDepthLimit enabled.","status":"published","published":"2026-08-16T13:14:15Z","modified":"2026-08-18T14:08:24Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-02T18:01:46.762528Z"}],"ghsa":[{"id":"GHSA-6g73-98rg-crm7","title":"Scriban before 7.0.0 (affected versions \u003c= 6.6.0) contains a stack overflow vulnerability in...","description":"Scriban before 7.0.0 (affected versions \u003c= 6.6.0) contains a stack overflow vulnerability in nested array initializer parsing. Deeply nested array initializers recurse through a path (ParseArrayInitializer → ParseExpression → ParseArrayInitializer) that is not covered by the ExpressionDepthLimit counter added in the fix for GHSA-wgh7-7m3c-fx25. An attacker who can supply untrusted input to Template.Parse can trigger an uncatchable StackOverflowException that immediately terminates the process, even with the default ExpressionDepthLimit enabled.","status":"published","published":"2026-08-16T15:30:27Z","modified":"2026-08-16T15:30:38Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/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":"high"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-674"],"updated_at":"2026-11-02T15:10:32.287939Z"},{"id":"GHSA-p6q4-fgr8-vx4p","title":"Scriban has a Stack Overflow via Nested Array Initializers That Bypass the ExpressionDepthLimit Fix","description":"### Summary\nStackOverflowException via nested array initializers bypasses ExpressionDepthLimit fix (GHSA-wgh7-7m3c-fx25)\n\n### Details\nThe recent fix for GHSA-wgh7-7m3c-fx25 (uncontrolled recursion in parser) added `ExpressionDepthLimit` defaulting to 250. However, deeply nested **array initializers** (`[[[[...`) recurse through `ParseArrayInitializer` → `ParseExpression` → `ParseArrayInitializer`, which is a **different recursion path** not covered by the expression depth counter.\n\nThis causes a `StackOverflowException` on current main (commit b5ac4bf - \"Add limits for default safety\").\n\n### PoC\n```\nusing Scriban;\n\n// ExpressionDepthLimit (default 250) does NOT prevent this crash\nstring nested = \"{{ \" + new string('[', 5000) + \"1\" + new string(']', 5000) + \" }}\";\nTemplate.Parse(nested); // StackOverflowException - process terminates\n```\n\n### Impact\nSame as GHSA-wgh7-7m3c-fx25: High severity. StackOverflowException cannot be caught with try/catch in .NET - the process terminates immediately. Any application calling Template.Parse with untrusted input is vulnerable, even with the new default ExpressionDepthLimit enabled.","status":"published","published":"2026-03-24T22:06:24Z","modified":"2026-07-06T13:07:27Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-674"],"updated_at":"2026-11-02T14:40:38.48196Z"}],"nvd":[{"id":"CVE-2026-74792","description":"Scriban before 7.0.0 (affected versions \u003c= 6.6.0) contains a stack overflow vulnerability in nested array initializer parsing. Deeply nested array initializers recurse through a path (ParseArrayInitializer → ParseExpression → ParseArrayInitializer) that is not covered by the ExpressionDepthLimit counter added in the fix for GHSA-wgh7-7m3c-fx25. An attacker who can supply untrusted input to Template.Parse can trigger an uncatchable StackOverflowException that immediately terminates the process, even with the default ExpressionDepthLimit enabled.","status":"published","published":"2026-08-16T14:16:57.317Z","modified":"2026-09-08T20:32:39.347Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/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":"high","assessor":"secondary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-674"],"updated_at":"2026-11-02T14:12:38.647684Z"}],"osv":[{"id":"CVE-2026-74792","title":"Scriban before 7.0.0 Stack Overflow via nested array initializers","description":"Scriban before 7.0.0 (affected versions \u003c= 6.6.0) contains a stack overflow vulnerability in nested array initializer parsing. Deeply nested array initializers recurse through a path (ParseArrayInitializer → ParseExpression → ParseArrayInitializer) that is not covered by the ExpressionDepthLimit counter added in the fix for GHSA-wgh7-7m3c-fx25. An attacker who can supply untrusted input to Template.Parse can trigger an uncatchable StackOverflowException that immediately terminates the process, even with the default ExpressionDepthLimit enabled.","status":"published","published":"2026-08-16T13:14:15.706Z","modified":"2026-10-28T02:31:04.551924834Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"high"}],"cwes":["CWE-674"],"updated_at":"2026-11-02T15:45:16.748692Z"},{"id":"GHSA-p6q4-fgr8-vx4p","title":"Scriban has a Stack Overflow via Nested Array Initializers That Bypass the ExpressionDepthLimit Fix","description":"### Summary\nStackOverflowException via nested array initializers bypasses ExpressionDepthLimit fix (GHSA-wgh7-7m3c-fx25)\n\n### Details\nThe recent fix for GHSA-wgh7-7m3c-fx25 (uncontrolled recursion in parser) added `ExpressionDepthLimit` defaulting to 250. However, deeply nested **array initializers** (`[[[[...`) recurse through `ParseArrayInitializer` → `ParseExpression` → `ParseArrayInitializer`, which is a **different recursion path** not covered by the expression depth counter.\n\nThis causes a `StackOverflowException` on current main (commit b5ac4bf - \"Add limits for default safety\").\n\n### PoC\n```\nusing Scriban;\n\n// ExpressionDepthLimit (default 250) does NOT prevent this crash\nstring nested = \"{{ \" + new string('[', 5000) + \"1\" + new string(']', 5000) + \" }}\";\nTemplate.Parse(nested); // StackOverflowException - process terminates\n```\n\n### Impact\nSame as GHSA-wgh7-7m3c-fx25: High severity. StackOverflowException cannot be caught with try/catch in .NET - the process terminates immediately. Any application calling Template.Parse with untrusted input is vulnerable, even with the new default ExpressionDepthLimit enabled.","status":"published","published":"2026-03-24T22:06:24Z","modified":"2026-08-17T03:55:58.372247404Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-674"],"updated_at":"2026-11-02T15:46:52.891208Z"}]}}