Cyber Resilience

CVE-2026-1169

MediumPublic PoC

Published: 19 January 2026

Published
19 January 2026
Modified
23 February 2026
KEV Added
Patch
CVSS Score v4 5.3 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/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
EPSS Score 0.0020 9.6th percentile
Risk Priority 35 floored blend · peak EPSS

Summary

CVE-2026-1169 is a medium-severity CSRF (CWE-352) vulnerability in Birkir Prime. Its CVSS base score is 5.3 (Medium).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked at the 9.6th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

The strongest mitigations our analysis identified are NIST 800-53 AC-3 (Access Enforcement) and AC-6 (Least Privilege).

Deeper analysis

CVE-2026-1169, published on 2026-01-19, is a cross-site request forgery (CSRF) vulnerability in birkir prime versions up to 0.4.0.beta.0. The issue affects unknown code within the software and is associated with CWE-352 (Cross-Site Request Forgery) and CWE-862 (Missing Authorization). It has a CVSS v3.1 base score of 4.3 (AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N), indicating medium severity with network accessibility, low attack complexity, no privileges required, user interaction needed, unchanged scope, no confidentiality or availability impact, and low integrity impact.

Attackers can exploit this vulnerability remotely without authentication by tricking users into performing unintended actions on a trusted site, typically via a malicious webpage or link that submits forged requests. Exploitation requires user interaction, such as clicking a link or visiting a site while authenticated to the affected birkir prime instance, potentially leading to unauthorized state changes due to the low integrity impact.

References indicate the vulnerability was reported early to the project via GitHub issue #547 at https://github.com/birkir/prime/issues/547, but the maintainers have not responded. No patches or specific mitigations are detailed in the advisories from VulDB (https://vuldb.com/?ctiid.341763, https://vuldb.com/?id.341763, https://vuldb.com/?submit.731287). The exploit has been publicly disclosed and may be used; practitioners should monitor the repository at https://github.com/birkir/prime/ for updates and consider CSRF protections like tokens in the interim.

OWASP Top 10 for Web (2025)

EU & UK References

Vulnerability details

A security vulnerability has been detected in birkir prime up to 0.4.0.beta.0. This vulnerability affects unknown code. Such manipulation leads to cross-site request forgery. The attack can be launched remotely. The exploit has been disclosed publicly and may be used.…

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The project was informed of the problem early through an issue report but has not responded yet.

CWE(s)

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1190 Exploit Public-Facing Application Initial Access
Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network.
Why these techniques?

CSRF enables remote exploitation of a public-facing web application via forged requests requiring user interaction.

Confidence: MEDIUM · MITRE ATT&CK Enterprise v19.0

CVEs Like This One

CVE-2026-1171Same product: Birkir Prime
CVE-2026-1175Same product: Birkir Prime
CVE-2026-1174Same product: Birkir Prime
CVE-2026-1172Same product: Birkir Prime
CVE-2026-1173Same product: Birkir Prime
CVE-2025-1891Shared CWE-352, CWE-862
CVE-2025-69311Shared CWE-862
CVE-2025-23467Shared CWE-352
CVE-2026-3266Shared CWE-862
CVE-2026-45438Shared CWE-862

Affected Assets

birkir
prime
≤ 0.4.0

Mitigating Controls

Mitigating Controls (NIST 800-53 r5) AI

prevent

Directly enforces authorization on every request so that forged cross-site requests cannot trigger state changes without a valid, intended authorization decision.

prevent

Protects session authenticity, making it harder for an attacker to abuse an existing authenticated session with a forged request.

prevent

Limits the privileges available to any session, reducing the impact of a successful CSRF action that bypasses origin checks.

References