MEDIUMVulnerability

CVE-2026-84646

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.

Properties

severity
MEDIUM
score
4.3
epss_score
0.00276
cve_id
CVE-2026-84646
signal_observed_at
2026-09-15T21:12:51+00:00
vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
published_at
2026-09-02T16:17:29.313
last_modified
2026-09-11T21:15:45.160
epss_percentile
0.20023

Related Entities (5)

ENRICHED_BY (1)

[Source]FIRST EPSS

HAS_WEAKNESS (1)

[Weakness]Deserialization of Untrusted Data

DESCRIBED_BY (1)

[Source]NVD

AFFECTS_PRODUCT (2)

[Product]
[Product]

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CVE-2026-84646 — Ninja Signal Threat Intelligence | Ninja Signal