HIGHVulnerability

CVE-2026-84648

In Jenkins 2.579 and earlier, LTS 2.568.2 and earlier, the system log viewer does not escape log record metadata (source, level, and timestamp) resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers in control of agent processes.

Properties

severity
HIGH
score
8.8
epss_score
0.00436
cve_id
CVE-2026-84648
signal_observed_at
2026-09-15T21:12:51+00:00
vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
published_at
2026-09-02T16:17:29.527
last_modified
2026-09-11T21:14:57.963
epss_percentile
0.36962

Related Entities (5)

ENRICHED_BY (1)

[Source]FIRST EPSS

HAS_WEAKNESS (1)

[Weakness]Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

DESCRIBED_BY (1)

[Source]NVD

AFFECTS_PRODUCT (2)

[Product]
[Product]

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CVE-2026-84648 — Ninja Signal Threat Intelligence | Ninja Signal