{"id":"CVE-2026-113643","kind":"vulnerability","aliases":["CVE-2026-113643"],"related":[],"title":"EspoCRM: PDF image handling lets requests bypass authorization checks","description":"A vulnerability was found in EspoCRM up to 9.3.10/10.0.10. This affects the function ImageSourceProvider::get of the file application/Espo/Tools/Pdf/Dompdf/ImageSourceProvider.php of the component PDF Rendering Pipeline. Performing a manipulation of the argument ID results in authorization bypass. The attack may be initiated remotely. The patch is named 91a9edbcedb9c7aa8e3d3ac81d8a7acccb99bca2. It is suggested to install a patch to address this issue.","summary":"EspoCRM up to 9.3.10 and 10.0.10 has a flaw in the PDF rendering image source provider where a manipulated ID argument skips the authorization check. A remote attacker may be able to read attachments or images they should not have access to.","severity":"medium","cvss":5.3,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["espocrm","package","php","self-hosted"],"not_affected_if":["patched-version"],"how_to_check":"- Check the installed EspoCRM version, for example by reading `version` in `application/Espo/Resources/defaults.json` or the admin panel, and see whether it is `9.3.10` or `10.0.10` or earlier.\n- Confirm whether PDF generation (Dompdf) is enabled and used in the deployment.","fix":"- Move EspoCRM to a release after `9.3.10` on the 9.x line, or after `10.0.10` on the 10.x line, or apply the upstream patch `91a9edbcedb9c7aa8e3d3ac81d8a7acccb99bca2`.","status":"open","published_at":"2026-10-20T19:17:32+00:00","first_seen_at":"2026-10-23T21:57:21+00:00","triaged_at":"2026-10-25T04:24:38+00:00","updated_at":"2026-10-25T04:24:38+00:00","category":"package","confidence":0.5,"triage":{"at":"2026-10-25T04:24:38Z","model":"claude-haiku-5-5","output":{"fix":"- Move EspoCRM to a release after `9.3.10` on the 9.x line, or after `10.0.10` on the 10.x line, or apply the upstream patch `91a9edbcedb9c7aa8e3d3ac81d8a7acccb99bca2`.","reach":"internet","title":"EspoCRM: PDF image handling lets requests bypass authorization checks","impact":"medium","summary":"EspoCRM up to 9.3.10 and 10.0.10 has a flaw in the PDF rendering image source provider where a manipulated ID argument skips the authorization check. A remote attacker may be able to read attachments or images they should not have access to.","category":"package","nicknames":[],"who_cares":["espocrm","self-hosted","php"],"confidence":0.5,"needs_auth":"unknown","worst_case":"Attacker reads attachments or images without authorization","analyst_note":"Confirm whether an account is required and which image or attachment data is exposed; check the upstream patch commit 91a9edbcedb9c7aa8e3d3ac81d8a7acccb99bca2 for details.","how_to_check":"- Check the installed EspoCRM version, for example by reading `version` in `application/Espo/Resources/defaults.json` or the admin panel, and see whether it is `9.3.10` or `10.0.10` or earlier.\n- Confirm whether PDF generation (Dompdf) is enabled and used in the deployment.","needs_analyst":true,"not_affected_if":["patched-version"],"who_is_affected":"Installations of EspoCRM 9.3.10 and earlier 9.x releases, and 10.0.10 and earlier 10.x releases, where users can reach the PDF rendering feature. Self-hosted instances that accept logins from the internet are the main concern. Teams on a patched version can skip it.","user_interaction":"no","needs_special_setup":"unknown","severity_if_unknown":"medium"},"cost_usd":0.00067,"input_tokens":3396,"output_tokens":661,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-113643':12A,15A '-2026':11A,14A '/10.0.10':72C '10.0.10':27B '9.3.10':25B,71C '91a9edbcedb9c7aa8e3d3ac81d8a7acccb99bca2':110C 'abl':52B 'access':62B 'address':119C 'affect':74C 'application/espo/tools/pdf/dompdf/imagesourceprovider.php':82C 'argument':42B,94C 'attach':55B 'attack':49B,101C 'author':8A,45B,98C 'bypass':7A,99C 'check':9A,46B 'compon':85C 'cve':10A,13A 'espocrm':1A,16B,22B,68C 'file':81C 'flaw':30B 'found':66C 'function':76C 'get':78C 'handl':4A 'host':21B 'id':41B,95C 'imag':3A,35B,57B 'imagesourceprovid':77C 'initi':104C 'instal':115C 'issu':121C 'let':5A 'manipul':40B,91C 'may':50B,102C 'name':109C 'packag':17B 'patch':107C,117C 'pdf':2A,33B,86C 'perform':89C 'php':18B 'pipelin':88C 'provid':37B 'read':54B 'remot':48B,105C 'render':34B,87C 'request':6A 'result':96C 'self':20B 'self-host':19B 'skip':43B 'sourc':36B 'suggest':113C 'vulner':64C","nicknames":[],"mitigations":[],"who_affected":"Installations of EspoCRM 9.3.10 and earlier 9.x releases, and 10.0.10 and earlier 10.x releases, where users can reach the PDF rendering feature. Self-hosted instances that accept logins from the internet are the main concern. Teams on a patched version can skip it.","tier":"C","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-20T19:17:32+00:00","kev":null,"cvss_vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/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","cvss_by":"cna@vuldb.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-113643","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-113643","severity":null,"published_at":"2026-10-20T19:17:32+00:00","modified_at":"2026-10-20T19:17:32+00:00","first_seen_at":"2026-10-23T21:57:21+00:00","fetched_at":"2026-10-23T22:28:58+00:00","note":null}],"documents":[],"notice":"Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai"}