No exploitation reportedFix available

CVE-2022-26136

Q: Is CVE-2022-26136 actively exploited?

Active exploitation of CVE-2022-26136 has not been confirmed. Its EPSS score was 5.7% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2022-26136?

CVE-2022-26136 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

No exploitation reported by the sources we read.

Published2022-07-20
Fixed in7.21.2 · 7.20.2 · 7.19.5 · 7.17.8 · 7.6.16
WeaknessCWE-180 · CWE-287

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

A vulnerability in multiple Atlassian products allows a remote, unauthenticated attacker to bypass Servlet Filters used by first and third party apps. The impact depends on which filters are used by each app, and how the filters are used. This vulnerability can result in authentication bypass and cross-site scripting. Atlassian has released updates that fix the root cause of this vulnerability, but has not exhaustively enumerated all potential consequences of this vulnerability. Atlassian Bamboo versions are affected before 8.0.9, from 8.1.0 before 8.1.8, and from 8.2.0 before 8.2.4. Atlassian Bitbucket versions are affected before 7.6.16, from 7.7.0 before 7.17.8, from 7.18.0 before 7.19.5, from 7.20.0 before 7.20.2, from 7.21.0 before 7.21.2, and versions 8.0.0 and 8.1.0. Atlassian Confluence versions are affected before 7.4.17, from 7.5.0 before 7.13.7, from 7.14.0 before 7.14.3, from 7.15.0 before 7.15.2, from 7.16.0 before 7.16.4, from 7.17.0 before 7.17.4, and version 7.21.0. Atlassian Crowd versions are affected before 4.3.8, from 4.4.0 before 4.4.2, and version 5.0.0. Atlassian Fisheye and Crucible versions before 4.8.10 are affected. Atlassian Jira versions are affected before 8.13.22, from 8.14.0 before 8.20.10, and from 8.21.0 before 8.22.4. Atlassian Jira Service Management versions are affected before 4.13.22, from 4.14.0 before 4.20.10, and from 4.21.0 before 4.22.4.

Timeline

dates in UTC

2022-07-2018:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2022-26136?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2022-26136?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD · CISA-ADP

Atlassian bitbucket

Branch	Affected	Fixed in	Source
7.21	≥ 7.21.0, < 7.21.2	7.21.2	NVD · CISA-ADP
7.20	≥ 7.20.0, < 7.20.2	7.20.2	NVD · CISA-ADP
7.x	≥ 7.18.0, < 7.19.5	7.19.5	NVD · CISA-ADP
7.x	≥ 7.7.0, < 7.17.8	7.17.8	NVD · CISA-ADP
7.6	< 7.6.16	7.6.16	NVD · CISA-ADP
8.0	= 8.0.0	no fix published	NVD · CISA-ADP
8.1	= 8.1.0	no fix published	NVD

Atlassian Confluence

Branch	Affected	Fixed in	Source
7.17	≥ 7.17.0, < 7.17.4	7.17.4	NVD · CISA-ADP
7.16	≥ 7.16.0, < 7.16.4	7.16.4	NVD · CISA-ADP
7.15	≥ 7.15.0, < 7.15.2	7.15.2	NVD · CISA-ADP
7.14	≥ 7.14.0, < 7.14.3	7.14.3	NVD · CISA-ADP
7.x	≥ 7.5.0, < 7.13.7	7.13.7	NVD · CISA-ADP
7.4	< 7.4.17	7.4.17	NVD · CISA-ADP
7.18	= 7.18.0	no fix published	NVD · CISA-ADP

Atlassian Confluence

Branch	Affected	Fixed in	Source
7.17	≥ 7.17.0, < 7.17.4	7.17.4	NVD · CISA-ADP
7.16	≥ 7.16.0, < 7.16.4	7.16.4	NVD · CISA-ADP
7.15	≥ 7.15.0, < 7.15.2	7.15.2	NVD · CISA-ADP
7.14	≥ 7.14.0, < 7.14.3	7.14.3	NVD · CISA-ADP
7.x	≥ 7.5.0, < 7.13.7	7.13.7	NVD · CISA-ADP
7.4	< 7.4.17	7.4.17	NVD · CISA-ADP
7.18	= 7.18.0	no fix published	NVD · CISA-ADP

8 more products in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Update Atlassian bitbucket to 7.21.2 · 7.20.2 · 7.19.5 · 7.17.8 · 7.6.16

Advisories and patches

jira.atlassian.comPatch · Vendor Advisory
jira.atlassian.comPatch · Vendor Advisory
jira.atlassian.comPatch · Vendor Advisory
jira.atlassian.comPatch · Vendor Advisory
jira.atlassian.comPatch · Vendor Advisory
jira.atlassian.comPatch · Vendor Advisory

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

CISA-ADPSSVC decisionnone2024-10-03
OpenCVESSVC decisionnone—
CISA-ADPCVSS 3.19.82024-10-03
NVDCVSS 3.19.8read 2026-10-23
CNAweakness (CWE)CWE-180read 2026-10-23
NVDweakness (CWE)CWE-287read 2026-10-23
FIRST EPSSEPSS score5.7 %2026-10-22

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published: 2022-07-20
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2022-26136?

Is CVE-2022-26136 actively exploited?

Active exploitation of CVE-2022-26136 has not been confirmed. Its EPSS score was 5.7% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2022-26136?

CVE-2022-26136 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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