CVE-2026-48924: Jenkins Bitbucket OAuth Plugin 0.17 and earlier does not restrict the redirect URL after login, allowing attac

Q: How do I fix CVE-2026-48924?

bitbucket oauth: upgrade to newer than 0.17. Exact commands for each OS are on this page.

Q: Is CVE-2026-48924 being exploited?

CVE-2026-48924 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-2026-48924 affect?

CVE-2026-48924 affects bitbucket oauth. Severity is medium (CVSS 4.3). Jenkins Bitbucket OAuth Plugin 0.17 and earlier does not restrict the redirect URL after login, allowing attackers to perform phishing attacks.

Q: How urgent is CVE-2026-48924?

Priority 18/100. No elevated risk signals yet.

Routine

MEDIUM 4.3UPGRADE

CVE-2026-48924 is a medium-severity flaw (CVSS 4.3) affecting bitbucket oauth. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Jenkins Bitbucket OAuth Plugin 0.17 and earlier does not restrict the redirect URL after login, allowing attackers to perform phishing attacks.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	4.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.2% (top 89%)
CISA exploited list	No
Weakness	CWE-601
Published	2026-05-27
Last modified	2026-10-14

Publisher (CNA): Jenkins Project · Vendor: jenkins

Last updated 2026-10-14 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-05-27 15:16 UTCPublished CVE record published
2026-10-14 20:10 UTCUpdated Record last modified

jenkins bitbucket oauth UPGRADE

Affected: <= 0.17

Fixed in: newer than 0.17

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy bitbucket-oauth || rpm -q bitbucket-oauth || bitbucket-oauth --version

2. UPGRADE to newer than 0.17 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade bitbucket-oauth

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade bitbucket-oauth

Note

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

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-2026-48924?

bitbucket oauth: upgrade to newer than 0.17. Exact commands for each OS are on this page.

Is CVE-2026-48924 being exploited?

CVE-2026-48924 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-2026-48924 affect?

CVE-2026-48924 affects bitbucket oauth. Severity is medium (CVSS 4.3). Jenkins Bitbucket OAuth Plugin 0.17 and earlier does not restrict the redirect URL after login, allowing attackers to perform phishing attacks.

How urgent is CVE-2026-48924?

Priority 18/100. No elevated risk signals yet.

Software pages

Jenkins vulnerabilities · Bitbucket vulnerabilities

References

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