How Opera’s Security team helps make the web safer through responsible disclosure

Security How Opera’s Security team helps make the web safer through responsible disclosure Share April 17th, 2026 Hi everyone! At Opera, we have 30 years of experience in building safe and secure browsers. Our seasoned Security team collaborates internally as well as with external researchers to...

KLA91054 Multiple vulnerabilities in Opera

Multiple vulnerabilities were found in Opera. Malicious users can exploit these vulnerabilities to cause denial of service, execute arbitrary code. Below is a complete list of vulnerabilities: 1. Out of bounds read vulnerability in WebCodecs can be exploited to cause denial of service. 2. Use aft...

Update your browser: Security fix for Chrome zero-day CVE-2026-5281

News, Security Update your browser: Security fix for Chrome zero-day CVE-2026-5281 Share April 4th, 2026 Hi everyone! The latest patches to Opera’s browsers address several recent vulnerabilities, including a zero-day exploit CVE-2026-5281. We recommend updating your browsers to the latest versio...

KLA90964 DoS vulnerabilities in Opera

Denial of service vulnerabilities were found in Opera. Malicious users can exploit these vulnerabilities to cause denial of service. Below is a complete list of vulnerabilities: 1. Out of bounds memory read vulnerability in Media can be exploited to cause denial of service. 2. Out of bounds memor...

KLA90942 Multiple vulnerabilities in Opera

Multiple vulnerabilities were found in Opera. Malicious users can exploit these vulnerabilities to cause denial of service, execute arbitrary code. Below is a complete list of vulnerabilities: 1. Out of bounds write vulnerability in Skia can be exploited to cause denial of service. 2. Inappropria...

Update your browser: Security fix for Chrome zero-days CVE 2026-3909 & CVE-2026-3910

News, Security Update your browser: Security fix for Chrome zero-days CVE 2026-3909 & CVE-2026-3910 Share March 14th, 2026 Hi everyone! The latest patches to Opera’s browsers address several recent vulnerabilities, including two zero-day exploits CVE 2026-3909 and CVE-2026-3910. We recommend...

Google Chromium V8 Improper Restriction of Operations Within the Bounds of a Memory Buffer Vulnerability

Google Chromium V8 contains an improper restriction of operations within the bounds of a memory buffer vulnerability that could allow a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium,...

Update your browser: Security fix for Chrome zero-day CVE-2026-2441

News, Security Update your browser: Security fix for Chrome zero-day CVE-2026-2441 Share February 16th, 2026 Hi everyone! The latest patches to Opera, Opera GX, Opera Air, Opera Neon, and Opera for Android address several recent vulnerabilities, including a zero-day exploit CVE-2026-2441. We...

Malicious Package

Overview @awan7715/model-viewer-space-opera is a malicious package. This package contains malicious code, and its content was removed from the official package manager. While this package might be attempting to impersonate a valid organization, there is no connection between that organization and...

Malicious Package

Overview model-viewer-space-opera is a malicious package. This package contains malicious code, and its content was removed from the official package manager. While this package might be attempting to impersonate a valid organization, there is no connection between that organization and this...

Data Privacy Day: Inside the role of Data Protection Officer at Opera

Privacy Data Privacy Day: Inside the role of Data Protection Officer at Opera Share January 28th, 2026 Privacy matters all year round. But every January, Data Privacy Day is a great opportunity to learn more about data privacy and protection, and to highlight their importance for everyone in the...

CVE-2026-21966

Vulnerability in the Oracle Hospitality OPERA 5 Property Services product of Oracle Hospitality Applications component: Opera. Supported versions that are affected are 5.6.19.23, 5.6.25.17, 5.6.26.10 and 5.6.27.4. Easily exploitable vulnerability allows unauthenticated attacker with network acces...

CVE-2026-21967

Vulnerability in the Oracle Hospitality OPERA 5 product of Oracle Hospitality Applications component: Opera Servlet. Supported versions that are affected are 5.6.19.23, 5.6.25.17, 5.6.26.10 and 5.6.27.4. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP...

EUVD-2026-3545

Vulnerability in the Oracle Hospitality OPERA 5 product of Oracle Hospitality Applications component: Opera Servlet. Supported versions that are affected are 5.6.19.23, 5.6.25.17, 5.6.26.10 and 5.6.27.4. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP...

EUVD-2026-3546

Vulnerability in the Oracle Hospitality OPERA 5 Property Services product of Oracle Hospitality Applications component: Opera. Supported versions that are affected are 5.6.19.23, 5.6.25.17, 5.6.26.10 and 5.6.27.4. Easily exploitable vulnerability allows unauthenticated attacker with network acces...

CVE-2026-21966

Vulnerability in the Oracle Hospitality OPERA 5 Property Services product of Oracle Hospitality Applications component: Opera. Supported versions that are affected are 5.6.19.23, 5.6.25.17, 5.6.26.10 and 5.6.27.4. Easily exploitable vulnerability allows unauthenticated attacker with network acces...

CVE-2026-21967

Vulnerability in the Oracle Hospitality OPERA 5 product of Oracle Hospitality Applications component: Opera Servlet. Supported versions that are affected are 5.6.19.23, 5.6.25.17, 5.6.26.10 and 5.6.27.4. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP...

CVE-2026-21966

Vulnerability in the Oracle Hospitality OPERA 5 Property Services product of Oracle Hospitality Applications component: Opera. Supported versions that are affected are 5.6.19.23, 5.6.25.17, 5.6.26.10 and 5.6.27.4. Easily exploitable vulnerability allows unauthenticated attacker with network acces...

CVE-2026-21967

Vulnerability in the Oracle Hospitality OPERA 5 product of Oracle Hospitality Applications component: Opera Servlet. Supported versions that are affected are 5.6.19.23, 5.6.25.17, 5.6.26.10 and 5.6.27.4. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP...

CVE-2026-21967

Vulnerability in the Oracle Hospitality OPERA 5 product of Oracle Hospitality Applications component: Opera Servlet. Supported versions that are affected are 5.6.19.23, 5.6.25.17, 5.6.26.10 and 5.6.27.4. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP...