CVE-2018-20826 — The inline-create rest resource in Jira before version 7.12.3 allows authenticated remote attackers to set the reporter in issues via a missing authorisation check

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MEDIUM

The inline-create rest resource in Jira before version 7.12.3 allows authenticated remote attackers to set the reporter in issues via a missing authorisation check

Published Aug 9, 2019

4.3

MEDIUM

CVSS 3.1

EPSS 0.85%

Description

The inline-create rest resource in Jira before version 7.12.3 allows authenticated remote attackers to set the reporter in issues via a missing authorisation check.

Affected products

Vendor Atlassian Product Jira Default
n/a
- Version
  unspecified
  Status
  affected
  Constraints
  <7.12.3

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor

Product

Default status

Versions

Atlassian

Jira

n/a

Version	Status	Constraints
unspecified	affected	<7.12.3

Remediation

No remediation recorded yet.

Metrics

0.85% 0.00847

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.00847

Score over time

2021–2026

EPSS v1
EPSS v5
EPSS v2
EPSS v3

Percentile over time

EPSS v1
EPSS v5
EPSS v2
EPSS v3

Table of values (9 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 1, 2026	0.85% (0.00847)	56.53th	v5 (v2026.06.15)
Sep 20, 2026	0.85% (0.00847)	56.50th	v5 (v2026.06.15)
Jul 20, 2024	0.09% (0.00092)	39.76th	v3 (v2023.03.01)
Jul 17, 2024	0.09% (0.00092)	39.78th	v3 (v2023.03.01)
Mar 7, 2023	0.09% (0.00092)	37.76th	v3 (v2023.03.01)
Mar 6, 2023	1.05% (0.01055)	52.13th	v2 (v2022.01.01)
Feb 4, 2022	1.05% (0.01055)	27.52th	v2 (v2022.01.01)
Feb 3, 2022	0.52% (0.00523)	12.55th	v5 (v2026.06.15)
Apr 14, 2021	0.52% (0.00523)	0.00th	v1