{"id":81645,"date":"2026-07-07T18:46:49","date_gmt":"2026-07-07T15:16:49","guid":{"rendered":"https:\/\/afaghhosting.net\/blog\/cve-2026-59709-ghostfolio-unauthorized-portfolio-holding-tag-modification-via-missing-permission-check\/"},"modified":"2026-07-07T18:46:49","modified_gmt":"2026-07-07T15:16:49","slug":"cve-2026-59709-ghostfolio-unauthorized-portfolio-holding-tag-modification-via-missing-permission-check","status":"publish","type":"post","link":"https:\/\/afaghhosting.net\/blog\/cve-2026-59709-ghostfolio-unauthorized-portfolio-holding-tag-modification-via-missing-permission-check\/","title":{"rendered":"CVE-2026-59709 &#8211; Ghostfolio &#8211; Unauthorized Portfolio Holding Tag Modification via Missing Permission Check"},"content":{"rendered":"<p>CVE ID :CVE-2026-59709<\/p>\n<p>  Published : July 7, 2026, 3:16 p.m. | 31\u00a0minutes ago<\/p>\n<p>  Description :Ghostfolio&#8217;s PUT \/api\/v1\/portfolio\/holding\/:dataSource\/:symbol\/tags endpoint fails to verify Access.permissions field when processing the Impersonation-Id header, allowing read-only access grantees to modify portfolio holding tags. Attackers with valid read-only share tokens can assign or remove tags on victim holdings, corrupting portfolio categorization and reports.<\/p>\n<p>  Severity: 5.3 | 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-2026-59709 Published : July 7, 2026, 3:16 p.m. | 31\u00a0minutes ago Description :Ghostfolio&#8217;s PUT \/api\/v1\/portfolio\/holding\/:dataSource\/:symbol\/tags endpoint fails to verify Access.permissions field when processing the Impersonation-Id header, allowing read-only access grantees to modify portfolio holding tags. Attackers with valid read-only share tokens can assign or remove tags on victim holdings, corrupting portfolio categorization and &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-81645","post","type-post","status-publish","format-standard","hentry","category-vulnerability"],"_links":{"self":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/81645","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=81645"}],"version-history":[{"count":0,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/81645\/revisions"}],"wp:attachment":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/media?parent=81645"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/categories?post=81645"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/tags?post=81645"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}