{"id":4727,"date":"2026-05-25T09:12:07","date_gmt":"2026-05-25T07:12:07","guid":{"rendered":"https:\/\/computershop.eu\/blog\/?p=4721"},"modified":"2026-05-25T09:21:24","modified_gmt":"2026-05-25T07:21:24","slug":"luka-w-chromium-powazne-ryzyko-dla-uzytkownikow-chrome","status":"publish","type":"post","link":"https:\/\/computershop.eu\/blog\/pl\/luka-w-chromium-powazne-ryzyko-dla-uzytkownikow-chrome","title":{"rendered":"Luka w Chromium: powa\u017cne ryzyko dla u\u017cytkownik\u00f3w Chrome"},"content":{"rendered":"<span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">Reading Time: <\/span> <span class=\"rt-time\"> 2<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span>\n<p class=\"wp-block-paragraph\">U\u017cytkownicy przegl\u0105darek opartych na Chromium, w tym Chrome, Edge, Brave lub Opera, staj\u0105 w obliczu nowego problemu bezpiecze\u0144stwa, kt\u00f3ry budzi powa\u017cne w\u0105tpliwo\u015bci dotycz\u0105ce ochrony danych i bezpiecze\u0144stwa przegl\u0105dania online. Niedawno przypomniana podatno\u015b\u0107 Chromium mo\u017ce pozwoli\u0107 z\u0142o\u015bliwym stronom na wykorzystanie przegl\u0105darki bez pobierania, bez powiadomie\u0144 i, w niekt\u00f3rych przypadkach, bez jakiejkolwiek interakcji ze strony u\u017cytkownika.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Dlaczego ta podatno\u015b\u0107 Chromium jest tak niebezpieczna?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Problem dotyczy komponentu&nbsp;<strong>Browser Fetch<\/strong>, funkcjonalno\u015bci wprowadzonej, aby umo\u017cliwi\u0107 przegl\u0105darkom kontynuowanie pobierania w tle nawet po zamkni\u0119ciu karty. Pocz\u0105tkowo celem by\u0142o co\u015b legitmnego: poprawa do\u015bwiadczenia u\u017cytkownik\u00f3w w przypadku du\u017cych plik\u00f3w lub tre\u015bci multimedialnych.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Jednak badaczka bezpiecze\u0144stwa cybernetycznego Lyra Rebane wykaza\u0142a, \u017ce ta funkcja mo\u017ce by\u0107 wykorzystana do tworzenia trwa\u0142ych po\u0142\u0105cze\u0144 mi\u0119dzy przegl\u0105dark\u0105 a zewn\u0119trznymi serwerami kontrolowanymi przez atakuj\u0105cych. W praktyce, pozornie zwyk\u0142a strona mo\u017ce utrzymywa\u0107 aktywne procesy w tle i przekszta\u0142ca\u0107 przegl\u0105dark\u0119 w punkt dost\u0119pu do dzia\u0142a\u0144 z\u0142o\u015bliwych.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Jak dzia\u0142a atak?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Wszystko przebiega bardzo prosto. U\u017cytkownik odwiedza pozornie legaln\u0105 stron\u0119 internetow\u0105: mo\u017ce to by\u0107 artyku\u0142, wynik z wyszukiwarki lub nawet strona udost\u0119pniona w mediach spo\u0142eczno\u015bciowych.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">W tle przegl\u0105darka nawi\u0105zuje trwa\u0142e po\u0142\u0105czenie, kt\u00f3re nadal dzia\u0142a nawet po opuszczeniu strony. W niekt\u00f3rych implementacjach Chromium to po\u0142\u0105czenie mo\u017ce przetrwa\u0107 nawet po ponownym uruchomieniu przegl\u0105darki lub urz\u0105dzenia.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Dzi\u0119ki temu, kompromitowana przegl\u0105darka mo\u017ce by\u0107 u\u017cywana do:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>anonimowego po\u015brednictwa w ruchu (proxy);<\/li>\n\n\n\n<li>uczestnictwa w atakach DDoS;<\/li>\n\n\n\n<li>przekierowywania po\u0142\u0105cze\u0144 do innych serwer\u00f3w;<\/li>\n\n\n\n<li>monitorowania ograniczonych aktywno\u015bci przegl\u0105dania.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Eksperci por\u00f3wnuj\u0105 efekt do \u201cmini-botnetu\u201d zbudowanego bezpo\u015brednio w przegl\u0105darce.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Znana podatno\u015b\u0107 Chromium od 2022 roku<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Zgodnie z opublikowanymi informacjami, podatno\u015b\u0107 zosta\u0142a zg\u0142oszona do Google ju\u017c w 2022 roku. Co wi\u0119cej, mia\u0142a by\u0107 klasyfikowana wewn\u0119trznie jako powa\u017cny problem, jednak poprawka jeszcze nie dotar\u0142a do u\u017cytkownik\u00f3w, a kod demonstracyjny (proof-of-concept) sta\u0142 si\u0119 publiczny.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Wp\u0142yw jest pot\u0119gowany przez fakt, \u017ce&nbsp;<strong>Chromium jest podstaw\u0105 wi\u0119kszo\u015bci nowoczesnych przegl\u0105darek<\/strong>. Nie dotyczy to tylko Google Chrome, ale ca\u0142ego ekosystemu zbudowanego na tym projekcie open-source.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Przegl\u0105darki, o kt\u00f3rych wspomniano, \u017ce mog\u0105 by\u0107 dotkni\u0119te, to:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Google Chrome<\/li>\n\n\n\n<li>Microsoft Edge<\/li>\n\n\n\n<li>Brave<\/li>\n\n\n\n<li>Opera<\/li>\n\n\n\n<li>Vivaldi<\/li>\n\n\n\n<li>Arc Browser<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Przegl\u0105darki&nbsp;<strong>Firefox<\/strong>&nbsp;i&nbsp;<strong>Safari<\/strong>&nbsp;nie korzystaj\u0105 z mechanizmu Browser Fetch, wi\u0119c nie s\u0105 nara\u017cone na ten konkretny problem.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Jak mo\u017cesz si\u0119 chroni\u0107 do czasu wydania aktualizacji?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Obecnie nie ma oficjalnego rozwi\u0105zania dost\u0119pnego dla wszystkich u\u017cytkownik\u00f3w, ale istnieje kilka zalecanych \u015brodk\u00f3w zapobiegawczych:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Unikaj nieznanych stron<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Odwiedzanie podejrzanych stron lub link\u00f3w pochodz\u0105cych z niepewnych \u017ar\u00f3de\u0142 zwi\u0119ksza ryzyko wykorzystania.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Monitoruj zachowanie przegl\u0105darki<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Niespodziewane okna zwi\u0105zane z pobieraniem lub nietypowe powiadomienia mog\u0105 by\u0107 oznakami podejrzanego zachowania.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Regularnie aktualizuj przegl\u0105dark\u0119<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Nawet je\u015bli poprawka nie zosta\u0142a jeszcze wydana, regularne aktualizacje pozostaj\u0105 kluczowe dla naprawy innych krytycznych podatno\u015bci.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>U\u017cywaj dodatkowych rozwi\u0105za\u0144 zabezpieczaj\u0105cych<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Rozszerzenia zabezpieczaj\u0105ce, filtry antymalware i monitorowanie ruchu mog\u0105 zmniejszy\u0107 ryzyko.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Wp\u0142yw na u\u017cytkownik\u00f3w<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Ta podatno\u015b\u0107 Chromium jeszcze raz podkre\u015bla, jak wa\u017cna jest <a href=\"https:\/\/computershop.eu\/blog\/pl\/skompromitowane-rozszerzenie-chrome-ponad-milion-uzytkownikow-dotknietych\" target=\"_blank\" rel=\"noreferrer noopener\">bezpiecze\u0144stwo nowoczesnych przegl\u0105darek<\/a>. W kontek\u015bcie, w kt\u00f3rym wi\u0119kszo\u015b\u0107 u\u017cytkownik\u00f3w sp\u0119dza godziny online, proste\u00a0odwiedzanie strony internetowej\u00a0nie powinno stanowi\u0107 ryzyka.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Do czasu wydania oficjalnej poprawki, czujno\u015b\u0107 u\u017cytkownik\u00f3w pozostaje najskuteczniejsz\u0105 metod\u0105 ochrony przed atakami, kt\u00f3re mog\u0105 dzia\u0142a\u0107 prawie niewidocznie w tle.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0179r\u00f3d\u0142o:&nbsp;<a href=\"https:\/\/www.androidauthority.com\/chromium-browser-vulnerability-3669581\" target=\"_blank\" rel=\"noreferrer noopener\">androidauthority.com<\/a><\/p>\n\t<div class=\"quickshare-container\">\r\n\t<ul class=\"quickshare-genericons monochrome quickshare-effect-expand\">\r\n\t\t<li class=\"quickshare-share\">Share:<\/li> \r\n\t\t<li><a href=\"https:\/\/facebook.com\/sharer.php?u=https%3A%2F%2Fcomputershop.eu%2Fblog%2Fpl%2Fluka-w-chromium-powazne-ryzyko-dla-uzytkownikow-chrome&amp;t=Luka+w+Chromium%3A+powa%C5%BCne+ryzyko+dla+u%C5%BCytkownik%C3%B3w+Chrome+<+Refurbished+Computers+-+ComputerShop.EU\" target=\"_blank\" title=\"Share on Facebook\"><span class=\"quickshare-facebook\">Facebook<\/span><\/a><\/li>\t\t<li><a href=\"https:\/\/twitter.com\/intent\/tweet?url=https%3A%2F%2Fcomputershop.eu%2Fblog%2Fpl%2Fluka-w-chromium-powazne-ryzyko-dla-uzytkownikow-chrome&amp;text=Luka+w+Chromium%3A+powa%C5%BCne+ryzyko+dla+u%C5%BCytkownik%C3%B3w+Chrome+<+Refurbished+Computers+-+ComputerShop.EU\" target=\"_blank\" title=\"Share on Twitter\"><span class=\"quickshare-twitter\">Twitter<\/span><\/a><\/li>\t\t<li><a href=\"http:\/\/pinterest.com\/pin\/create\/button\/?url=https%3A%2F%2Fcomputershop.eu%2Fblog%2Fpl%2Fluka-w-chromium-powazne-ryzyko-dla-uzytkownikow-chrome&amp;media=https%3A%2F%2Fcomputershop.eu%2Fblog%2Fwp-content%2Fuploads%2F2026%2F05%2FChromium-vulnerability-300x169.png&amp;description=U%C5%BCytkownicy+przegl%C4%85darek+opartych+na+Chromium%2C+w+tym+Chrome%2C+Edge%2C+Brave+lub+Opera%2C+staj%C4%85+w+obliczu+nowego+problemu+bezpiecze%C5%84stwa%2C+kt%C3%B3ry+budzi+powa%C5%BCne+w%C4%85tpliwo%C5%9Bci+dotycz%C4%85ce+ochrony+danych+i+bezpiecze%C5%84stwa+przegl%C4%85dania+online.+Niedawno+przypomniana+podatno%C5%9B%C4%87+Chromium+mo%C5%BCe+pozwoli%C4%87+z%C5%82o%C5%9Bliwym+stronom+na+wykorzystanie+przegl%C4%85darki%26hellip%3B\" target=\"_blank\" title=\"Share on Pinterest\"><span class=\"quickshare-pinterest\">Pinterest<\/span><\/a><\/li>\t\t<li><a href=\"http:\/\/linkedin.com\/shareArticle?mini=true&amp;url=https%3A%2F%2Fcomputershop.eu%2Fblog%2Fpl%2Fluka-w-chromium-powazne-ryzyko-dla-uzytkownikow-chrome&amp;title=Luka+w+Chromium%3A+powa%C5%BCne+ryzyko+dla+u%C5%BCytkownik%C3%B3w+Chrome&amp;source=Refurbished+Computers+-+ComputerShop.EU&amp;summary=U%C5%BCytkownicy+przegl%C4%85darek+opartych+na+Chromium%2C+w+tym+Chrome%2C+Edge%2C+Brave+lub+Opera%2C+staj%C4%85+w+obliczu+nowego+problemu+bezpiecze%C5%84stwa%2C+kt%C3%B3ry+budzi+powa%C5%BCne+w%C4%85tpliwo%C5%9Bci+dotycz%C4%85ce+ochrony+danych+i+bezpiecze%C5%84stwa+przegl%C4%85dania+online.+Niedawno+przypomniana+podatno%C5%9B%C4%87+Chromium+mo%C5%BCe+pozwoli%C4%87+z%C5%82o%C5%9Bliwym+stronom+na+wykorzystanie+przegl%C4%85darki%26hellip%3B\" title=\"Share on Linkedin\" target=\"_blank\"><span class=\"quickshare-linkedin\">Linkedin<\/span><\/a><\/li>\t\t<li><a href=\"https:\/\/plus.google.com\/share?url=https%3A%2F%2Fcomputershop.eu%2Fblog%2Fpl%2Fluka-w-chromium-powazne-ryzyko-dla-uzytkownikow-chrome\" target=\"_blank\" title=\"Share on Google+\"><span class=\"quickshare-googleplus\">Google+<\/span><\/a><\/li>\t\t\t\t\t\t\t\t<li><a href=\"mailto:?subject=Refurbished+Computers+-+ComputerShop.EU:+Luka+w+Chromium%3A+powa%C5%BCne+ryzyko+dla+u%C5%BCytkownik%C3%B3w+Chrome&amp;body=https%3A%2F%2Fcomputershop.eu%2Fblog%2Fpl%2Fluka-w-chromium-powazne-ryzyko-dla-uzytkownikow-chrome\" target=\"_blank\" title=\"Share via Email\"><span class=\"quickshare-email\">Email<\/span><\/a><\/li>\t<\/ul>\r\n\t<\/div>\r\n","protected":false},"excerpt":{"rendered":"<p><span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">Reading Time: <\/span> <span class=\"rt-time\"> 2<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span>U\u017cytkownicy przegl\u0105darek opartych na Chromium, w tym Chrome, Edge, Brave lub Opera, staj\u0105 w obliczu nowego problemu bezpiecze\u0144stwa, kt\u00f3ry budzi powa\u017cne w\u0105tpliwo\u015bci dotycz\u0105ce ochrony danych i bezpiecze\u0144stwa przegl\u0105dania online. Niedawno przypomniana podatno\u015b\u0107 Chromium mo\u017ce pozwoli\u0107 z\u0142o\u015bliwym stronom na wykorzystanie przegl\u0105darki &hellip; <a href=\"https:\/\/computershop.eu\/blog\/pl\/luka-w-chromium-powazne-ryzyko-dla-uzytkownikow-chrome\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":4,"featured_media":4724,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[106],"tags":[4295,9019,13542,6218,17821,17824,8423,17754,17827,8547,17751],"class_list":["post-4727","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-aktualnosci","tag-bezpieczenstwo-it","tag-bezpieczenstwo-online","tag-bezpieczenstwo-przegladarki","tag-brave","tag-browser-fetch-pl","tag-edge-pl","tag-google-chrome","tag-luka-w-chromium","tag-opera-pl","tag-przegladarka-internetowa","tag-przegladarka-vivaldi"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Luka w Chromium: powa\u017cne ryzyko dla u\u017cytkownik\u00f3w Chrome - Refurbished Computers - ComputerShop.EU<\/title>\n<meta name=\"description\" content=\"Znana podatno\u015b\u0107 Chromium dotyka u\u017cytkownik\u00f3w popularnych przegl\u0105darek Chrome, Edge, Brave, Opera i Vivaldi. 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