CVE-2023-26081: In Epiphany (aka GNOME Web) through 43.0, untrusted web content can trick users into exfiltrating passwords, b

Q: How do I fix CVE-2023-26081?

epiphany: upgrade to 43.1; fedora: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Q: Is CVE-2023-26081 being exploited?

CVE-2023-26081 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2023-26081 affect?

CVE-2023-26081 affects epiphany, fedora. Severity is high (CVSS 7.5). In Epiphany (aka GNOME Web) through 43.0, untrusted web content can trick users into exfiltrating passwords, because autofill occurs in sandboxed contexts.

Q: How urgent is CVE-2023-26081?

Priority 54/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

This week

HIGH 7.5REMOTEUPGRADEMITIGATE

CVE-2023-26081 is a high-severity flaw (CVSS 7.5) affecting epiphany, fedora. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

In Epiphany (aka GNOME Web) through 43.0, untrusted web content can trick users into exfiltrating passwords, because autofill occurs in sandboxed contexts.

Why this priority

High severity
Public exploit reference
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.2% (top 31%)
CISA exploited list	No
Weakness	CWE-668
Published	2023-02-20
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: fedoraproject · gnome

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2023-02-20 03:15 UTCPublished CVE record published
2026-06-17 05:42 UTCUpdated Record last modified

gnome epiphany UPGRADE

Affected: < 43.1

Fixed in: 43.1

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy epiphany || rpm -q epiphany || epiphany --version

2. UPGRADE to 43.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade epiphany

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade epiphany

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

fedoraproject fedora MITIGATE

Affected: 37

Fixed in: no fixed release known

Safe to downgrade to: a release before 37

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2023-26081?

epiphany: upgrade to 43.1; fedora: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2023-26081 being exploited?

CVE-2023-26081 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2023-26081 affect?

CVE-2023-26081 affects epiphany, fedora. Severity is high (CVSS 7.5). In Epiphany (aka GNOME Web) through 43.0, untrusted web content can trick users into exfiltrating passwords, because autofill occurs in sandboxed contexts.

How urgent is CVE-2023-26081?

Priority 54/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

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CVE-2021-45086 MEDIUM 6.1 UPGRADE MITIGATE XSS can occur in GNOME Web (aka Epiphany) before 40.4 and 41.x before 41.1 because a server's suggested_filena
CVE-2021-45085 MEDIUM 6.1 UPGRADE MITIGATE XSS can occur in GNOME Web (aka Epiphany) before 40.4 and 41.x before 41.1 via an about: page, as demonstrated

References

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