{"id":36345,"date":"2026-10-23T13:57:26","date_gmt":"2026-10-23T11:57:26","guid":{"rendered":"https:\/\/www.websupport.sk\/blog\/?p=36345"},"modified":"2026-10-23T14:08:54","modified_gmt":"2026-10-23T12:08:54","slug":"kriticke-zranitelnosti-php","status":"publish","type":"post","link":"https:\/\/www.websupport.sk\/blog\/2026\/10\/kriticke-zranitelnosti-php\/","title":{"rendered":"Kritick\u00e9 zranite\u013enosti PHP: Ako sme ochr\u00e1nili va\u0161e weby\u00a0"},"content":{"rendered":"<span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\"><b>Doba \u010d\u00edtania:<\/b><\/span> <span class=\"rt-time\"> 3<\/span> <span class=\"rt-label rt-postfix\">min.<\/span><\/span>\n<p class=\"wp-block-paragraph\"><em><strong>21. okt\u00f3bra 2026 vy\u0161li bezpe\u010dnostn\u00e9 aktualiz\u00e1cie, ktor\u00e9 opravuj\u00fa dve kritick\u00e9 zranite\u013enosti PHP.<\/strong> N\u00e1\u0161 technick\u00fd t\u00edm za\u010dal situ\u00e1ciu rie\u0161i\u0165 e\u0161te pred ich vydan\u00edm, aby sme \u010do najsk\u00f4r zn\u00ed\u017eili bezpe\u010dnostn\u00e9 rizik\u00e1 a ochr\u00e1nili weby na\u0161ich z\u00e1kazn\u00edkov.&nbsp;<\/em><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><em>\u010co presne sa stalo, ak\u00e9 opatrenia sme prijali a ako sa n\u00e1m podarilo nasadi\u0165 potrebn\u00e9 opravy bez preru\u0161enia dostupnosti webov?&nbsp;<\/em><\/p>\n\n\n\n<h2 class=\"wp-block-heading has-large-font-size\"><strong>Dve kritick\u00e9 zranite\u013enosti PHP. O \u010do i\u0161lo?<\/strong>&nbsp;<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">PHP je programovac\u00ed jazyk, ktor\u00fd poh\u00e1\u0148a ve\u013ek\u00fa \u010das\u0165 internetu vr\u00e1tane webov postaven\u00fdch na WordPresse. V okt\u00f3bri 2026 v \u0148om bezpe\u010dnostn\u00ed v\u00fdskumn\u00edci s pomocou umelej inteligencie odhalili dve kritick\u00e9 zranite\u013enosti.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Zranite\u013enosti ozna\u010den\u00e9 ako <strong>CVE-2026-109618 a CVE-2026-109619<\/strong> z\u00edskali sk\u00f3re z\u00e1va\u017enosti <strong>9,2 z 10<\/strong>. Za ur\u010dit\u00fdch podmienok mohli \u00fato\u010dn\u00edkom umo\u017eni\u0165 spusti\u0165 \u0161kodliv\u00fd k\u00f3d na serveri bez prihl\u00e1senia. Ke\u010f\u017ee PHP vyu\u017e\u00edva mno\u017estvo webov\u00fdch str\u00e1nok, riziko sa t\u00fdkalo poskytovate\u013eov hostingu a prev\u00e1dzkovate\u013eov webov po celom svete.&nbsp;20. okt\u00f3bra v\u00fdvoj\u00e1ri PHP ozn\u00e1mili pripravovan\u00e9 bezpe\u010dnostn\u00e9 opravy, ktor\u00e9 spr\u00edstupnili verejnosti o de\u0148 nesk\u00f4r.&nbsp;<\/p>\n\n\n\n<ol start=\"20\" class=\"wp-block-list\">\n<li><\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading has-large-font-size\"><strong>Ako sme postupovali?<\/strong>&nbsp;<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Prv\u00e9 bezpe\u010dnostn\u00e9 opatrenia sme prijali e\u0161te pred vydan\u00edm ofici\u00e1lnych opr\u00e1v.<\/strong>&nbsp;Hne\u010f ako sme sa o zranite\u013enostiach dozvedeli, n\u00e1\u0161 technick\u00fd t\u00edm za\u010dal sledova\u0165 situ\u00e1ciu a pripravova\u0165 potrebn\u00e9 kroky. K\u00fdm v\u00fdvoj\u00e1ri PHP dokon\u010dovali opravy, prijali sme dostupn\u00e9 opatrenia na zn\u00ed\u017eenie rizika mo\u017en\u00e9ho \u00fatoku.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Po vydan\u00ed aktualiz\u00e1ci\u00ed sme ich za\u010dali postupne nasadzova\u0165 na na\u0161e servery. <strong>Bezpe\u010dnostn\u00e9 z\u00e1platy sme nain\u0161talovali na v\u0161etky nami podporovan\u00e9 verzie PHP od 5.6 vy\u0161\u0161ie.<\/strong>&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Venovali sme sa aj star\u0161ej verzii PHP 5.3. Pod\u013ea dostupn\u00fdch inform\u00e1ci\u00ed by ju tieto konkr\u00e9tne zranite\u013enosti nemali ovplyv\u0148ova\u0165. Napriek tomu sme aj pre t\u00fato verziu nasadili maximum dostupn\u00fdch bezpe\u010dnostn\u00fdch opatren\u00ed.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>V\u0161etky potrebn\u00e9 bezpe\u010dnostn\u00e9 opravy sme \u00faspe\u0161ne nasadili a weby na\u0161ich z\u00e1kazn\u00edkov pritom zostali po\u010das aktualiz\u00e1ci\u00ed dostupn\u00e9, bez potreby odst\u00e1vky.<\/strong>&nbsp;<\/p>\n\n\n\n<h2 class=\"wp-block-heading has-large-font-size\"><strong>Bezpe\u010dnos\u0165 webov je t\u00edmov\u00e1 pr\u00e1ca<\/strong>&nbsp;<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Pri rie\u0161en\u00ed kritick\u00fdch bezpe\u010dnostn\u00fdch zranite\u013enost\u00ed je d\u00f4le\u017eit\u00e1 nielen r\u00fdchlos\u0165, ale aj d\u00f4slednos\u0165. Nesta\u010d\u00ed len nain\u0161talova\u0165 aktualiz\u00e1ciu. Treba vyhodnoti\u0165 rizik\u00e1, pripravi\u0165 rie\u0161enie a overi\u0165, \u017ee v\u0161etko funguje spr\u00e1vne.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ve\u013ek\u00e1 v\u010faka patr\u00ed v\u0161etk\u00fdm kolegom, ktor\u00ed sa na rie\u0161en\u00ed podie\u013eali. Priebe\u017ene sledovali nov\u00e9 inform\u00e1cie, pripravovali ochrann\u00e9 opatrenia a koordinovali nasadzovanie opr\u00e1v tak, aby weby na\u0161ich z\u00e1kazn\u00edkov zostali dostupn\u00e9.&nbsp;V\u010faka ich sk\u00fasenostiam a spolupr\u00e1ci sme dok\u00e1zali zareagova\u0165 r\u00fdchlo a bez preru\u0161enia dostupnosti slu\u017eieb.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Je to pr\u00e1ca, ktor\u00fa pri be\u017enom pou\u017e\u00edvan\u00ed na\u0161ich slu\u017eieb nevid\u00edte. No pr\u00e1ve tak\u00e9to situ\u00e1cie pripom\u00ednaj\u00fa, \u010do v\u0161etko je za t\u00fdm, aby va\u0161e weby fungovali bezpe\u010dne a spo\u013eahlivo.&nbsp;<\/p>\n\n\n\n<h2 class=\"wp-block-heading has-large-font-size\"><strong>Potrebujete nie\u010do urobi\u0165?<\/strong>&nbsp;<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Ak vyu\u017e\u00edvate n\u00e1\u0161 hosting, o potrebn\u00e9 bezpe\u010dnostn\u00e9 aktualiz\u00e1cie sme sa u\u017e postarali.<\/strong>&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Na v\u0161etky nami podporovan\u00e9 verzie PHP od 5.6 vy\u0161\u0161ie sme nasadili bezpe\u010dnostn\u00e9 opravy. Pre PHP 5.3 sme prijali dostupn\u00e9 ochrann\u00e9 opatrenia.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ak v\u0161ak spravujete vlastn\u00fd server, za aktualiz\u00e1cie opera\u010dn\u00e9ho syst\u00e9mu a softv\u00e9ru zodpoved\u00e1te vy. Odpor\u00fa\u010dame preto skontrolova\u0165 pou\u017e\u00edvan\u00fa verziu PHP a \u010do najsk\u00f4r nain\u0161talova\u0165 potrebn\u00e9 opravy. Ak ste na\u0161i z\u00e1kazn\u00edci &#8211; o presnom postupe sme v\u00e1s informovali e-mailom.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Situ\u00e1ciu budeme na\u010falej sledova\u0165 a vyhodnocova\u0165 pr\u00edpadn\u00e9 bezpe\u010dnostn\u00e9 rizik\u00e1.&nbsp;Bezpe\u010dnos\u0165 toti\u017e nie je jednorazov\u00e1 \u00faloha. Je to ka\u017edodenn\u00e1 pr\u00e1ca, ktor\u00e1 sa \u010dasto odohr\u00e1va mimo o\u010d\u00ed z\u00e1kazn\u00edkov.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Vy sa tak m\u00f4\u017eete venova\u0165 svojim n\u00e1padom a projektom. My sa postar\u00e1me o technick\u00e9 z\u00e1zemie, na ktor\u00e9 sa m\u00f4\u017eete spo\u013eahn\u00fa\u0165.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Aby ste mohli webova\u0165 s \u013eahkos\u0165ou.&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>21. okt\u00f3bra 2026 vy\u0161li bezpe\u010dnostn\u00e9 aktualiz\u00e1cie, ktor\u00e9 opravuj\u00fa dve kritick\u00e9 zranite\u013enosti PHP. N\u00e1\u0161 technick\u00fd t\u00edm za\u010dal situ\u00e1ciu rie\u0161i\u0165 e\u0161te pred ich vydan\u00edm, aby sme \u010do najsk\u00f4r zn\u00ed\u017eili bezpe\u010dnostn\u00e9 rizik\u00e1 a ochr\u00e1nili weby na\u0161ich z\u00e1kazn\u00edkov.&nbsp; \u010co presne sa stalo, ak\u00e9 opatrenia sme prijali a ako sa n\u00e1m podarilo nasadi\u0165 potrebn\u00e9 opravy bez preru\u0161enia dostupnosti webov?&nbsp; Dve [&hellip;]<\/p>\n","protected":false},"author":48,"featured_media":36357,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2790,2855],"tags":[638,4059,4062],"class_list":["post-36345","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-bezpecnost","category-pouzivatel","tag-php","tag-php-vulnerability","tag-php-zranitelnost"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Kritick\u00e9 zranite\u013enosti PHP: Ako sme ochr\u00e1nili weby<\/title>\n<meta name=\"description\" content=\"\u010co presne sa stalo, ak\u00e9 opatrenia sme prijali a ako sme nasadili potrebn\u00e9 opravy bez preru\u0161enia dostupnosti webov? 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