CVE-2026-84646
Last modified
CVE-2026-84646 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. In Jenkins 2.579 and earlier, LTS 2.568.2 and earlier, user objects can appear as nested field values in other deserialized XML objects, allowing attackers with Overall/Read permission to create user objects by submitting crafted XML.. EPSS estimates a 0.24% chance of exploitation in the next 30 days.
Description
In Jenkins 2.579 and earlier, LTS 2.568.2 and earlier, user objects can appear as nested field values in other deserialized XML objects, allowing attackers with Overall/Read permission to create user objects by submitting crafted XML.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Jenkins | Jenkins | < 2.568.3 |
| Jenkins | Jenkins | < 2.580 |
References
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-84646?
How severe is CVE-2026-84646?
How do I fix CVE-2026-84646?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-84639Triggering an error condition in certain MIME bodies would c…9.1
- CVE-2026-8464Golem OEE MES is vulnerable to an unauthenticated path trave…8.3
- CVE-2026-84640A maliciously constructed mail header could lead to a one by…7.5
- CVE-2026-84641A malicious IMAP server can trigger use-after-free and heap-…7.5
- CVE-2026-84642The values of the mail.allowed_attachment_hostnames advanced…7.5
- CVE-2026-84645In Jenkins 2.579 and earlier, LTS 2.568.2 and earlier, objec…8.8
- CVE-2026-84647In Stapler 2107.v8dfcb_e8ed317 and earlier, except 2088.2093…8.8
- CVE-2026-84648In Jenkins 2.579 and earlier, LTS 2.568.2 and earlier, the s…8.8
- CVE-2026-84649In Stapler 1839.ved17667b_a_eb_5 through 2107.v8dfcb_e8ed317…8.8
- CVE-2026-84650In Jenkins 2.579 and earlier, LTS 2.568.2 and earlier, trans…8.8
- CVE-2026-84651In Jenkins 2.579 and earlier, LTS 2.568.2 and earlier, the R…6.3
- CVE-2026-84652In Jenkins 2.579 and earlier, LTS 2.568.2 and earlier, Jenki…7.3
Are you affected by CVE-2026-84646?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST