{"id":81616,"date":"2026-07-07T03:46:34","date_gmt":"2026-07-07T00:16:34","guid":{"rendered":"https:\/\/afaghhosting.net\/blog\/cve-2026-53647-fossbilling-vulnerable-to-unauthenticated-api-key-configuration-disclosure-via-guest-serviceapikey-get_info-endpoint\/"},"modified":"2026-07-07T03:46:34","modified_gmt":"2026-07-07T00:16:34","slug":"cve-2026-53647-fossbilling-vulnerable-to-unauthenticated-api-key-configuration-disclosure-via-guest-serviceapikey-get_info-endpoint","status":"publish","type":"post","link":"https:\/\/afaghhosting.net\/blog\/cve-2026-53647-fossbilling-vulnerable-to-unauthenticated-api-key-configuration-disclosure-via-guest-serviceapikey-get_info-endpoint\/","title":{"rendered":"CVE-2026-53647 &#8211; FOSSBilling vulnerable to unauthenticated API key configuration disclosure via guest Serviceapikey get_info endpoint"},"content":{"rendered":"<p>CVE ID :CVE-2026-53647<\/p>\n<p>  Published : July 7, 2026, 12:16 a.m. | 1\u00a0hour, 31\u00a0minutes ago<\/p>\n<p>  Description :FOSSBilling is a free, open-source billing and client management system. In versions 0.5.3 through 0.7.2, the Guest `serviceapikey\/get_info` API endpoint is accessible without authentication. Any caller with a valid API key can retrieve all custom configuration parameters (`custom_*` fields) stored in the key&#8217;s database record. These custom fields are populated by billing administrators and can contain business-sensitive data such as pricing tiers, feature flags, rate limits, expiry overrides, or access scope data. Version 0.8.0 patches the issue. Some workarounds are available. Administrators can avoid storing sensitive data in `custom_*` API key configuration fields, monitor API logs for suspicious calls to `\/api\/guest\/serviceapikey\/get_info`, and\/or disable the Serviceapikey module if not in active use.<\/p>\n<p>  Severity: 6.9 | MEDIUM<\/p>\n<p>  Visit the link for more details, such as CVSS details, affected products, timeline, and more&#8230;\u00a0<\/p>\n","protected":false},"excerpt":{"rendered":"<p>CVE ID :CVE-2026-53647 Published : July 7, 2026, 12:16 a.m. | 1\u00a0hour, 31\u00a0minutes ago Description :FOSSBilling is a free, open-source billing and client management system. In versions 0.5.3 through 0.7.2, the Guest `serviceapikey\/get_info` API endpoint is accessible without authentication. Any caller with a valid API key can retrieve all custom configuration parameters (`custom_*` fields) stored &hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26],"tags":[],"class_list":["post-81616","post","type-post","status-publish","format-standard","hentry","category-vulnerability"],"_links":{"self":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/81616","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/comments?post=81616"}],"version-history":[{"count":0,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/81616\/revisions"}],"wp:attachment":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/media?parent=81616"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/categories?post=81616"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/tags?post=81616"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}