How many CVEs does Opera have?

Opera has 326 published CVE records since 2001, including 1 in the last two years.

How many Opera CVEs are in CISA KEV?

None of Opera's CVEs are currently listed in CISA's Known Exploited Vulnerabilities catalog.

Which Opera products have the most CVEs?

The Opera products with the most published CVEs are opera browser, opera, opera web browser, opera mini, mini.

What are the most common weakness types in Opera CVEs?

Opera's CVEs most often map to these CWE weakness types: CWE-190 (Integer Overflow or Wraparound), CWE-295 (Improper Certificate Validation), CWE-79 (Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')).

Are there public exploits for Opera vulnerabilities?

Yes — 44 of Opera's CVEs have a known public exploit.

How many critical Opera vulnerabilities are there?

Opera has 54 critical and 29 high-severity CVEs.

What is the average severity of Opera CVEs?

The average CVSS base score across Opera's scored CVEs is 5.9.

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326 CVEs

Opera Vulnerabilities

Name: Opera vulnerability dataset (CVEs)
Creator: RadicalNotion.AI
License: https://creativecommons.org/licenses/by-nc/4.0/

CVE security advisories and vulnerability history for Opera.

326

Total CVEs

Published

0

In CISA KEV

Exploited in the wild

44

Public exploits

PoC or exploit code

5.9

Avg CVSS

2001–2025

Overview

Opera has 326 published CVE records since 2001, of which 0 are in CISA's Known Exploited Vulnerabilities catalog and 44 have a known public exploit. The average CVSS base score across scored CVEs is 5.9.

This page aggregates every publicly disclosed vulnerability (CVE) affecting Opera products, with severity breakdowns, the most-affected products, the most common weakness types, and the latest disclosures.

Security scorecard

A quick read on Opera's vulnerability posture, as a share of its 326 published CVEs.

Average CVSS: 5.9
Critical / high: 25%
Actively exploited (KEV): 0%
Public exploit available: 13%
Patch available: 10%

Severity and exploitation

How the CVSS severity of Opera's CVEs breaks down, plus how many are exploited in the wild or have public exploit code.

Critical54

High29

Medium229

Low14

In CISA’s Known Exploited Vulnerabilities catalog

0

None of Opera's CVEs are currently listed in CISA's KEV catalog.

Public exploits

44

44 of Opera's CVEs have a known public exploit available.

Most affected products

The Opera products with the most published CVEs. Follow any product to browse its versions and vulnerabilities.

Common weakness types

The CWE weakness categories most often found in Opera CVEs. Follow any weakness for its full explanation.

CNAs that assign these CVEs

The CVE Numbering Authorities that publish Opera CVE records.

Disclosure activity by year

How many Opera CVEs were published each year.

2016

4

2017

2

2018

1

2019

4

2020

3

2021

1

2022

1

2025

1

Latest Opera CVEs

The most recently disclosed vulnerabilities affecting Opera.

High vulnerability · 2025-10-31
CWE-190
High · CVSS 7.5
EPSS 0.5%2025-10-31
Medium vulnerability · 2022-12-26
Medium · CVSS 6.5
EPSS 0.5%2022-12-26
Medium vulnerability · 2021-01-11
Medium · CVSS 5.3
EPSS 0.8%2021-01-11
Medium vulnerability · 2020-12-23
CWE-79
Medium · CVSS 6.1
EPSS 0.6%2020-12-23
Medium vulnerability · 2020-11-13
Medium · CVSS 4.3
EPSS 0.7%2020-11-13
Medium vulnerability · 2020-03-12
Medium · CVSS 4.3
EPSS 0.8%2020-03-12
Medium vulnerability · 2019-12-18
Medium · CVSS 5.5
EPSS 0.3%2019-12-18
Critical vulnerability · 2019-10-29
Critical · CVSS 9.8
EPSS 1.4%2019-10-29
Medium vulnerability · 2019-07-18
Medium · CVSS 6.1
EPSS 0.8%2019-07-18
High vulnerability · 2019-03-21
High · CVSS 7.8
EPSS 0.4%2019-03-21
Medium vulnerability · 2018-03-28
Medium · CVSS 4.3
EPSS 3.4%2018-03-28
Medium vulnerability · 2017-04-21
Medium · CVSS 6.1
EPSS 1.2%2017-04-21

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Frequently asked questions

Common questions about Opera vulnerabilities.

How many CVEs does Opera have?: Opera has 326 published CVE records since 2001, including 1 in the last two years.
How many Opera CVEs are in CISA KEV?: None of Opera's CVEs are currently listed in CISA's Known Exploited Vulnerabilities catalog.
Which Opera products have the most CVEs?: The Opera products with the most published CVEs are opera browser, opera, opera web browser, opera mini, mini.
What are the most common weakness types in Opera CVEs?: Opera's CVEs most often map to these CWE weakness types: CWE-190 (Integer Overflow or Wraparound), CWE-295 (Improper Certificate Validation), CWE-79 (Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')).
Are there public exploits for Opera vulnerabilities?: Yes — 44 of Opera's CVEs have a known public exploit.
How many critical Opera vulnerabilities are there?: Opera has 54 critical and 29 high-severity CVEs.
What is the average severity of Opera CVEs?: The average CVSS base score across Opera's scored CVEs is 5.9.

References

Vulnerability data is sourced from the CVE Program; severity, KEV, and exploit signals are aggregated by RadicalNotion.AI.

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