TI-2026-20267 Aliases CVE-2026-25101 GHSA-fjj5-fj78-h28j

Session Fixation in Bludit

LOW 22CWE-384Published 2026-03-27 · Updated 2026-03-27

Key facts

Attack vector: Local
Privileges required: None
User interaction: Passive
Attack complexity: Low
Attack requirements: None
Impact type: Spoofing
Confidentiality · integrity · availability: Low · Low · None
Fix status: Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-384.

Summary

Bludit allows user's session identifier to be set before authentication. The value of this session ID stays the same after authentication. This behavior enables an attacker to fix a session ID for a victim and later hijack the authenticated session. This issue was fixed in version 3.17.2.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.0037 31st percentileScored 2026-11-07

Fix Fixed Bludit (Bludit): 3.17.2

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Bludit	Bludit	before 3.17.2	3.17.2	Patch available	CNA

Bludit VendorBludit Affected before 3.17.2 Fixed in 3.17.2 Patch available CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:bludit:bludit::::::::	before 3.17.2	Vulnerable	Bludit

cpe:2.3:a:bludit:bludit:*:*:*:*:*:*:*:* Versions before 3.17.2 Vulnerable ·Bludit

Remediation

Fix · CNA Bludit (Bludit) Fixed in 3.17.2

Timeline

2026-10-02 Threatist record created from CVE-2026-25101
2026-10-03 Alias added: GHSA-fjj5-fj78-h28j

References

Advisory 1

https://cert.pl/posts/2026/03/CVE-2026-25099

Other 1

https://github.com/bludit/bludit/releases/tag/3.17.2

TI-2019-12105 Bludit 3.9.2 allows remote code execution via bl-kernel/ajax/upload-images.php because… CVSS 3.1HIGH 8.8
TI-2024-16173 Bludit - Remote Code Execution (RCE) through Image API CVSS 4.0HIGH 8.9
TI-2024-16172 Bludit - Remote Code Execution (RCE) through File API CVSS 4.0HIGH 8.9
TI-2023-15122 An issue in Bludit 4.0.0-rc-2 allows authenticated attackers to change the Administrator… CVSS 3.1HIGH 8.8
TI-2020-13782 Bludit 3.9.2 is vulnerable to Remote Code Execution (RCE) via /admin/ajax/upload-images. CVSS 3.1HIGH 8.8
TI-2019-12856 bl-kernel/security.class.php in Bludit 3.9.2 allows attackers to bypass a brute-force… CVSS 3.1CRITICAL 9.8

See all 41 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences