TIM Flow before 26.0.6 contains a CRLF injection vulnerability that allows remote attackers to inject arbitrary HTTP headers and response body content by embedding unsanitized carriage return and line feed sequences in the rt URL parameter, which is reflected into Set-Cookie response headers. Attackers can craft malicious requests to induce authenticated users to execute arbitrary JavaScript in their browser context, enabling session token theft and account credential modification.
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Solution

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Workaround

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History

Mon, 24 Aug 2026 15:30:00 +0000

Type Values Removed Values Added
Description TIM Flow before 26.0.6 contains a CRLF injection vulnerability that allows remote attackers to inject arbitrary HTTP headers and response body content by embedding unsanitized carriage return and line feed sequences in the rt URL parameter and access_token cookie, which are reflected into Set-Cookie response headers. Attackers can craft malicious requests to induce authenticated users to execute arbitrary JavaScript in their browser context, enabling session token theft and account credential modification. TIM Flow before 26.0.6 contains a CRLF injection vulnerability that allows remote attackers to inject arbitrary HTTP headers and response body content by embedding unsanitized carriage return and line feed sequences in the rt URL parameter, which is reflected into Set-Cookie response headers. Attackers can craft malicious requests to induce authenticated users to execute arbitrary JavaScript in their browser context, enabling session token theft and account credential modification.
Title TIM Flow < 26.0.6 CRLF Injection via rt Parameter and access_token Cookie TIM Flow < 26.0.6 CRLF Injection via rt Parameter
References

Mon, 24 Aug 2026 14:30:00 +0000

Type Values Removed Values Added
Description TIM Flow before 26.0.6 contains a CRLF injection vulnerability that allows remote attackers to inject arbitrary HTTP headers and response body content by embedding unsanitized carriage return and line feed sequences in the rt URL parameter and access_token cookie, which are reflected into Set-Cookie response headers. Attackers can craft malicious requests to induce authenticated users to execute arbitrary JavaScript in their browser context, enabling session token theft and account credential modification.
Title TIM Flow < 26.0.6 CRLF Injection via rt Parameter and access_token Cookie
Weaknesses CWE-113
References
Metrics cvssV3_1

{'score': 8.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N'}

cvssV4_0

{'score': 8.5, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N'}


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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-08-24T15:25:45.783Z

Reserved: 2026-04-07T20:57:06.209Z

Link: CVE-2026-39915

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-08-24T15:16:38.090

Modified: 2026-08-24T15:16:38.090

Link: CVE-2026-39915

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses