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Atlassian Confluence < 9.2.22 Multiple Vulnerabilities

high Web App Scanning Plugin ID 115693

Synopsis

Atlassian Confluence < 9.2.22 Multiple Vulnerabilities

Description

According to its self-reported version number, the Atlassian Confluence application running on the remote host is prior to 9.2.22 or 9.3.x prior to 10.2.14. It is, therefore, affected by multiple vulnerabilities, including flaws in bundled third-party dependencies :

- Multiple server-side request forgery (SSRF) vulnerabilities in the bundled axios dependency. (CVE-2026-42043, CVE-2025-62718, CVE-2026-40175, CVE-2026-44492)

- A remote code execution vulnerability in the bundled lodash dependency. (CVE-2026-4800)

- A HTTP request smuggling vulnerability in the bundled Eclipse Jetty dependency. (CVE-2026-2332)

- A prototype pollution vulnerability in the bundled axios dependency. (CVE-2026-42264)

- Multiple injection vulnerabilities in the bundled axios dependency. (CVE-2026-44494, CVE-2026-44490, CVE-2026-42041, CVE-2026-42035, CVE-2026-42033)

- A remote code execution vulnerability in the bundled form-data dependency. (CVE-2026-12143)

- Multiple information disclosure vulnerabilities in the bundled axios dependency. (CVE-2026-44487, CVE-2026-44486)

- A file inclusion vulnerability in the bundled node-tar dependency. (CVE-2026-31802)

- An information disclosure vulnerability in Atlassian Confluence. (CVE-2026-21579)

- A denial of service vulnerability in the bundled serialize-javascript dependency. (CVE-2026-34043)

- Multiple denial of service vulnerabilities in the bundled Netty dependency. (CVE-2026-42583, CVE-2026-42587)

- Multiple denial of service vulnerabilities in the bundled axios dependency. (CVE-2026-44496, CVE-2026-44488)

- A file inclusion vulnerability in the bundled fast-uri dependency. (CVE-2026-6321)

- An injection vulnerability in the bundled fast-uri dependency. (CVE-2026-6322)

- An injection vulnerability in the bundled js-cookie dependency. (CVE-2026-46625)

- A denial of service vulnerability in the bundled picomatch dependency. (CVE-2026-33671)

- A denial of service vulnerability. (CVE-2026-48779)

- A denial of service vulnerability in Atlassian Confluence. (CVE-2026-21577)

- A remote code execution vulnerability in the bundled axios dependency. (CVE-2026-44495)

- An injection vulnerability in the bundled logback dependency. (CVE-2025-11226)

Note that the scanner has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Upgrade to Atlassian Confluence version 9.2.22 or later.

See Also

https://confluence.atlassian.com/security/security-bulletin-july-21-2026-1821999345.html

Plugin Details

Severity: High

ID: 115693

Type: Version Based

Published: 10/16/2026

Updated: 10/16/2026

Scan Template: api, basic, full, pci, scan

Risk Information

VPR

Risk Factor: Medium

Score: 6.8

Percentile: 96.81

CVSS v2

Risk Factor: Critical

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2026-4800

CVSS v3

Risk Factor: Critical

Base Score: 10

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N

CVSS Score Source: CVE-2026-42043

CVSS v4

Risk Factor: High

Base Score: 8.7

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N

CVSS Score Source: CVE-2026-12143

Vulnerability Information

CPE: cpe:2.3:a:atlassian:confluence:*:*:*:*:*:*:*:*

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 7/21/2026

Vulnerability Publication Date: 9/30/2025

Reference Information

CVE: CVE-2025-11226, CVE-2025-62718, CVE-2026-12143, CVE-2026-21577, CVE-2026-21579, CVE-2026-2332, CVE-2026-31802, CVE-2026-33671, CVE-2026-34043, CVE-2026-40175, CVE-2026-42033, CVE-2026-42035, CVE-2026-42041, CVE-2026-42043, CVE-2026-42264, CVE-2026-42583, CVE-2026-42587, CVE-2026-44486, CVE-2026-44487, CVE-2026-44488, CVE-2026-44490, CVE-2026-44492, CVE-2026-44494, CVE-2026-44495, CVE-2026-44496, CVE-2026-46625, CVE-2026-4800, CVE-2026-48779, CVE-2026-6321, CVE-2026-6322

CWE: 1050, 113, 1289, 1321, 1333, 140, 183, 20, 200, 201, 22, 287, 289, 400, 436, 441, 444, 74, 770, 834, 835, 915, 918, 93, 94

OWASP: 2010-A1, 2010-A3, 2010-A4, 2010-A6, 2013-A1, 2013-A2, 2013-A4, 2013-A5, 2013-A9, 2017-A1, 2017-A2, 2017-A5, 2017-A6, 2017-A9, 2021-A1, 2021-A10, 2021-A3, 2021-A4, 2021-A5, 2021-A6, 2021-A7, 2021-A8, 2025-A1, 2025-A5, 2025-A6, 2025-A7, 2025-A8

WASC: Application Misconfiguration, Denial of Service, HTTP Request Smuggling, HTTP Response Smuggling, HTTP Response Splitting, Improper Input Handling, Information Leakage, Insufficient Authentication, OS Commanding, Path Traversal

CAPEC: 1, 10, 101, 104, 105, 108, 109, 110, 111, 114, 115, 116, 120, 125, 126, 13, 130, 135, 136, 14, 141, 142, 147, 151, 153, 160, 169, 180, 182, 194, 197, 209, 21, 22, 224, 229, 23, 230, 231, 24, 242, 250, 261, 267, 273, 28, 285, 287, 290, 291, 292, 293, 294, 295, 296, 297, 298, 299, 3, 300, 301, 302, 303, 304, 305, 306, 307, 308, 309, 31, 310, 312, 313, 317, 318, 319, 320, 321, 322, 323, 324, 325, 326, 327, 328, 329, 33, 330, 34, 35, 384, 385, 386, 387, 388, 42, 43, 45, 46, 469, 47, 472, 473, 482, 486, 487, 488, 489, 490, 491, 492, 493, 494, 495, 496, 497, 508, 51, 510, 52, 528, 53, 57, 573, 574, 575, 576, 577, 588, 59, 593, 6, 60, 616, 63, 633, 64, 643, 646, 650, 651, 67, 7, 71, 72, 73, 75, 76, 77, 78, 79, 8, 80, 81, 83, 84, 85, 88, 89, 9, 94

DISA STIG: APSC-DV-000460, APSC-DV-002400, APSC-DV-002510, APSC-DV-002560, APSC-DV-002630

HIPAA: 164.306(a)(1), 164.306(a)(2), 164.312(a)(1), 164.312(a)(2)(i), 164.312(e)

ISO: 27001-A.10.1, 27001-A.12.6.1, 27001-A.13.1.1, 27001-A.13.1.3, 27001-A.13.2.1, 27001-A.14.1.2, 27001-A.14.1.3, 27001-A.14.2.5, 27001-A.18.1.3, 27001-A.6.2.2, 27001-A.9.1.2, 27001-A.9.4.1, 27001-A.9.4.4, 27001-A.9.4.5

NIST: sp800_53-AC-3, sp800_53-AC-4, sp800_53-CM-6b, sp800_53-SC-5, sp800_53-SI-10, sp800_53-SI-10(5), sp800_53-SI-15

OWASP API: 2019-API7, 2019-API8, 2023-API3, 2023-API7, 2023-API8

OWASP ASVS: 4.0.2-12.3.1, 4.0.2-14.2.1, 4.0.2-14.4.7, 4.0.2-5.1.2, 4.0.2-5.1.3, 4.0.2-5.2.5, 4.0.2-5.2.6, 4.0.2-5.3.1, 4.0.2-8.3.4

PCI-DSS: 3.2-2.2, 3.2-6.2, 3.2-6.5, 3.2-6.5.1, 3.2-6.5.10, 3.2-6.5.8, 3.2-6.5.9