CVE-2026-24050

Feb. 6, 2026, 9:57 p.m.

1.1
Low

Description

Zulip is an open-source team collaboration tool. From 5.0 to before 11.5, some administrative actions on the user profile were susceptible to stored XSS in group names or channel names. Exploiting these vulnerabilities required the user explicitly interacting with the problematic object. This vulnerability is fixed in 11.5.

Product(s) Impacted

Vendor Product Versions
Zulip
  • Zulip
  • 5.0, <11.5

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-79
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

*CPE(s)

Affected systems and software identified for this CVE.

Type Vendor Product Version Update Edition Language Software Edition Target Software Target Hardware Other Information
a zulip zulip 5.0 / / / / / / /
a zulip zulip <11.5 / / / / / /

References

https://github.com/zulip/zulip/commit/e6093d9e4788f4d82236d856c5ed7b16767886a7
https://github.com/zulip/zulip/releases/tag/11.5
https://github.com/zulip/zulip/security/advisories/GHSA-56qv-8823-6fq9
https://zulip.readthedocs.io/en/latest/overview/changelog.html#zulip-server-11-5

Tags

[email protected]
CWE-79
2026-02-06
CVE-2026-24050

CVSS Score

1.1 / 10

CVSS Data - 4.0

  • Attack Vector: NETWORK
  • Attack Complexity: LOW
  • Attack Requirements: NONE
  • Privileges Required: HIGH
  • User Interaction: PASSIVE
  • Scope:
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: NONE
  • Exploit Maturity: UNREPORTED

    • CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

    View Vector String

Timeline

Published: Feb. 6, 2026, 7:16 p.m.
Last Modified: Feb. 6, 2026, 9:57 p.m.

Status : Awaiting Analysis

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

[email protected]

*Disclaimer: Some vulnerabilities do not have an associated CPE. To enhance the data, we use AI to infer CPEs based on CVE details. This is an automated process and might not always be accurate.