CVE-2026-6848: A flaw was found in Red Hat Quay

Routine

MEDIUM 5.4WATCHLISTDOWNGRADE

CVE-2026-6848 is a medium-severity flaw (CVSS 5.4) affecting quay. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A flaw was found in Red Hat Quay. When Red Hat Quay requests password re-verification for sensitive operations, such as token generation or robot account creation, the re-authentication prompt can be bypassed. This allows a user with a timed-out session, or an attacker with access to an idle authenticated browser session, to perform privileged actions without providing valid credentials. The vulnerability enables unauthorized execution of sensiti

Why this priority

On your watchlist

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	5.4 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.3% (top 81%)
CISA exploited list	No
Weakness	CWE-613
Published	2026-04-22
Last modified	2026-10-26

Publisher (CNA): Red Hat, Inc. · Vendor: redhat

Last updated 2026-10-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-04-22 10:16 UTCPublished CVE record published
2026-10-26 21:10 UTCUpdated Record last modified

redhat quay DOWNGRADE

Affected: 3.0.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 3.0.0

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 3.0.0 (Debian / Ubuntu)

apt-cache madison quay sudo apt install quay=<VERSION_BEFORE_3.0.0> sudo apt-mark hold quay

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list quay sudo dnf downgrade quay-<VERSION_BEFORE_3.0.0> sudo dnf versionlock add quay

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2026-6848?

quay: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2026-6848 being exploited?

CVE-2026-6848 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-2026-6848 affect?

CVE-2026-6848 affects quay. Severity is medium (CVSS 5.4). A flaw was found in Red Hat Quay. When Red Hat Quay requests password re-verification for sensitive operations, such as token generation or robot account creation, the re-authentication prompt can be bypassed. This allows a user with a time

How urgent is CVE-2026-6848?

Priority 29/100. On your watchlist

Related CVEs

CVE-2026-74245 MEDIUM 5.9 MITIGATE DOWNGRADE A flaw was found in Red Hat Quay's exported logs feature
CVE-2026-74244 MEDIUM 5.9 MITIGATE DOWNGRADE A flaw was found in Red Hat Quay's Stripe billing webhook handler
CVE-2026-74247 MEDIUM 4.2 MITIGATE DOWNGRADE A flaw was found in Red Hat Quay
CVE-2026-74243 MEDIUM 6.5 MITIGATE DOWNGRADE A flaw was found in Red Hat Quay
CVE-2026-74240 MEDIUM 5.4 MITIGATE DOWNGRADE A flaw was found in Red Hat Quay's JWT (JSON Web Token) validation for federated robot accounts and single sig

References

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