{"id":80805,"date":"2026-06-19T22:32:27","date_gmt":"2026-06-19T19:02:27","guid":{"rendered":"https:\/\/afaghhosting.net\/blog\/cve-2026-27878-tempo-traceql-query-with-exemplar-hint-could-result-in-unbounded-memory-usage\/"},"modified":"2026-06-19T22:32:27","modified_gmt":"2026-06-19T19:02:27","slug":"cve-2026-27878-tempo-traceql-query-with-exemplar-hint-could-result-in-unbounded-memory-usage","status":"publish","type":"post","link":"https:\/\/afaghhosting.net\/blog\/cve-2026-27878-tempo-traceql-query-with-exemplar-hint-could-result-in-unbounded-memory-usage\/","title":{"rendered":"CVE-2026-27878 &#8211; Tempo TraceQL query with exemplar hint could result in unbounded memory usage"},"content":{"rendered":"<p>CVE ID :CVE-2026-27878<\/p>\n<p>  Published : June 19, 2026, 7:02 p.m. | 40\u00a0minutes ago<\/p>\n<p>  Description :A TraceQL query in Grafana Tempo with a large exemplars hint value can cause the Tempo instance to allocate an excessive amount of memory, resulting in an out-of-memory crash. This could allow an authenticated user to trigger a denial of service against the Tempo service.<\/p>\n<p>  Severity: 0.0 | NA<\/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-2026-27878 Published : June 19, 2026, 7:02 p.m. | 40\u00a0minutes ago Description :A TraceQL query in Grafana Tempo with a large exemplars hint value can cause the Tempo instance to allocate an excessive amount of memory, resulting in an out-of-memory crash. This could allow an authenticated user to trigger a denial of service &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-80805","post","type-post","status-publish","format-standard","hentry","category-vulnerability"],"_links":{"self":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/80805","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=80805"}],"version-history":[{"count":0,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/80805\/revisions"}],"wp:attachment":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/media?parent=80805"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/categories?post=80805"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/tags?post=80805"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}