CVE-2026-26012 Vulnerability Analysis & Exploit Details

CVE-2026-26012
Vulnerability Scoring

6.5
/10
High Risk

If left unpatched, CVE-2026-26012 could lead to major system disruptions or data loss.

Attack Complexity Details

  • Attack Complexity: Low
    Exploits can be performed without significant complexity or special conditions.
  • Attack Vector: Network
    Vulnerability is exploitable over a network without physical access.
  • Privileges Required: Low
    Some privileges are necessary to exploit the vulnerability.
  • Scope: Unchanged
    Exploit remains within the originally vulnerable component.
  • User Interaction: None
    No user interaction is necessary for exploitation.

CVE-2026-26012 Details

Status: Analyzed

Last updated: 🕤 13 Feb 2026, 21:41 UTC
Originally published on: 🕙 11 Feb 2026, 22:15 UTC

Time between publication and last update: 1 days

CVSS Release: version 3

CVSS3 Source

security-advisories@github.com

CVSS3 Type

Secondary

CVSS3 Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

CVE-2026-26012 Vulnerability Summary

CVE-2026-26012: vaultwarden is an unofficial Bitwarden compatible server written in Rust, formerly known as bitwarden_rs. Prior to 1.35.3, a regular organization member can retrieve all ciphers within an organization, regardless of collection permissions. The endpoint /ciphers/organization-details is accessible to any organization member and internally uses Cipher::find_by_org to retrieve all ciphers. These ciphers are returned with CipherSyncType::Organization without enforcing collection-level access control. This vulnerability is fixed in 1.35.3.

Assessing the Risk of CVE-2026-26012

Access Complexity Graph

The exploitability of CVE-2026-26012 depends on two key factors: attack complexity (the level of effort required to execute an exploit) and privileges required (the access level an attacker needs).

Exploitability Analysis for CVE-2026-26012

CVE-2026-26012 presents an accessible attack vector with minimal effort required. Restricting access controls and implementing security updates are critical to reducing exploitation risks.

Understanding AC and PR

A lower complexity and fewer privilege requirements make exploitation easier. Security teams should evaluate these aspects to determine the urgency of mitigation strategies, such as patch management and access control policies.

Attack Complexity (AC) measures the difficulty in executing an exploit. A high AC means that specific conditions must be met, making an attack more challenging, while a low AC means the vulnerability can be exploited with minimal effort.

Privileges Required (PR) determine the level of system access necessary for an attack. Vulnerabilities requiring no privileges are more accessible to attackers, whereas high privilege requirements limit exploitation to authorized users with elevated access.

CVSS Score Breakdown Chart

Above is the CVSS Sub-score Breakdown for CVE-2026-26012, illustrating how Base, Impact, and Exploitability factors combine to form the overall severity rating. A higher sub-score typically indicates a more severe or easier-to-exploit vulnerability.

CIA Impact Analysis

Below is the Impact Analysis for CVE-2026-26012, showing how Confidentiality, Integrity, and Availability might be affected if the vulnerability is exploited. Higher values usually signal greater potential damage.

  • Confidentiality: High
    Exploiting CVE-2026-26012 can result in unauthorized access to sensitive data, severely compromising data privacy.
  • Integrity: None
    CVE-2026-26012 poses no threat to data integrity.
  • Availability: None
    CVE-2026-26012 does not impact system availability.

CVE-2026-26012 References

External References

CWE Common Weakness Enumeration

CWE-863

Vulnerable Configurations

  • cpe:2.3:a:dani-garcia:vaultwarden:0.9.0:*:*:*:*:*:*:*
    cpe:2.3:a:dani-garcia:vaultwarden:0.9.0:*:*:*:*:*:*:*
  • cpe:2.3:a:dani-garcia:vaultwarden:0.10.0:*:*:*:*:*:*:*
    cpe:2.3:a:dani-garcia:vaultwarden:0.10.0:*:*:*:*:*:*:*
  • cpe:2.3:a:dani-garcia:vaultwarden:0.11.0:*:*:*:*:*:*:*
    cpe:2.3:a:dani-garcia:vaultwarden:0.11.0:*:*:*:*:*:*:*
  • cpe:2.3:a:dani-garcia:vaultwarden:0.12.0:*:*:*:*:*:*:*
    cpe:2.3:a:dani-garcia:vaultwarden:0.12.0:*:*:*:*:*:*:*
  • cpe:2.3:a:dani-garcia:vaultwarden:0.13.0:*:*:*:*:*:*:*
    cpe:2.3:a:dani-garcia:vaultwarden:0.13.0:*:*:*:*:*:*:*
  • cpe:2.3:a:dani-garcia:vaultwarden:1.0.0:*:*:*:*:*:*:*
    cpe:2.3:a:dani-garcia:vaultwarden:1.0.0:*:*:*:*:*:*:*
  • cpe:2.3:a:dani-garcia:vaultwarden:1.1.0:*:*:*:*:*:*:*
    cpe:2.3:a:dani-garcia:vaultwarden:1.1.0:*:*:*:*:*:*:*
  • cpe:2.3:a:dani-garcia:vaultwarden:1.2.0:*:*:*:*:*:*:*
    cpe:2.3:a:dani-garcia:vaultwarden:1.2.0:*:*:*:*:*:*:*
  • cpe:2.3:a:dani-garcia:vaultwarden:1.3.0:*:*:*:*:*:*:*
    cpe:2.3:a:dani-garcia:vaultwarden:1.3.0:*:*:*:*:*:*:*
  • cpe:2.3:a:dani-garcia:vaultwarden:1.4.0:*:*:*:*:*:*:*
    cpe:2.3:a:dani-garcia:vaultwarden:1.4.0:*:*:*:*:*:*:*
  • cpe:2.3:a:dani-garcia:vaultwarden:1.5.0:*:*:*:*:*:*:*
    cpe:2.3:a:dani-garcia:vaultwarden:1.5.0:*:*:*:*:*:*:*
  • cpe:2.3:a:dani-garcia:vaultwarden:1.6.0:*:*:*:*:*:*:*
    cpe:2.3:a:dani-garcia:vaultwarden:1.6.0:*:*:*:*:*:*:*
  • cpe:2.3:a:dani-garcia:vaultwarden:1.6.1:*:*:*:*:*:*:*
    cpe:2.3:a:dani-garcia:vaultwarden:1.6.1:*:*:*:*:*:*:*
  • cpe:2.3:a:dani-garcia:vaultwarden:1.7.0:*:*:*:*:*:*:*
    cpe:2.3:a:dani-garcia:vaultwarden:1.7.0:*:*:*:*:*:*:*
  • cpe:2.3:a:dani-garcia:vaultwarden:1.8.0:*:*:*:*:*:*:*
    cpe:2.3:a:dani-garcia:vaultwarden:1.8.0:*:*:*:*:*:*:*
  • cpe:2.3:a:dani-garcia:vaultwarden:1.9.0:*:*:*:*:*:*:*
    cpe:2.3:a:dani-garcia:vaultwarden:1.9.0:*:*:*:*:*:*:*
  • cpe:2.3:a:dani-garcia:vaultwarden:1.9.1:*:*:*:*:*:*:*
    cpe:2.3:a:dani-garcia:vaultwarden:1.9.1:*:*:*:*:*:*:*
  • cpe:2.3:a:dani-garcia:vaultwarden:1.10.0:*:*:*:*:*:*:*
    cpe:2.3:a:dani-garcia:vaultwarden:1.10.0:*:*:*:*:*:*:*
  • cpe:2.3:a:dani-garcia:vaultwarden:1.11.0:*:*:*:*:*:*:*
    cpe:2.3:a:dani-garcia:vaultwarden:1.11.0:*:*:*:*:*:*:*
  • cpe:2.3:a:dani-garcia:vaultwarden:1.12.0:*:*:*:*:*:*:*
    cpe:2.3:a:dani-garcia:vaultwarden:1.12.0:*:*:*:*:*:*:*
  • cpe:2.3:a:dani-garcia:vaultwarden:1.13.0:*:*:*:*:*:*:*
    cpe:2.3:a:dani-garcia:vaultwarden:1.13.0:*:*:*:*:*:*:*
  • cpe:2.3:a:dani-garcia:vaultwarden:1.13.1:*:*:*:*:*:*:*
    cpe:2.3:a:dani-garcia:vaultwarden:1.13.1:*:*:*:*:*:*:*
  • cpe:2.3:a:dani-garcia:vaultwarden:1.14:*:*:*:*:*:*:*
    cpe:2.3:a:dani-garcia:vaultwarden:1.14:*:*:*:*:*:*:*
  • cpe:2.3:a:dani-garcia:vaultwarden:1.14.1:*:*:*:*:*:*:*
    cpe:2.3:a:dani-garcia:vaultwarden:1.14.1:*:*:*:*:*:*:*
  • cpe:2.3:a:dani-garcia:vaultwarden:1.14.2:*:*:*:*:*:*:*
    cpe:2.3:a:dani-garcia:vaultwarden:1.14.2:*:*:*:*:*:*:*
  • cpe:2.3:a:dani-garcia:vaultwarden:1.15.0:*:*:*:*:*:*:*
    cpe:2.3:a:dani-garcia:vaultwarden:1.15.0:*:*:*:*:*:*:*
  • cpe:2.3:a:dani-garcia:vaultwarden:1.15.1:*:*:*:*:*:*:*
    cpe:2.3:a:dani-garcia:vaultwarden:1.15.1:*:*:*:*:*:*:*
  • cpe:2.3:a:dani-garcia:vaultwarden:1.16.0:*:*:*:*:*:*:*
    cpe:2.3:a:dani-garcia:vaultwarden:1.16.0:*:*:*:*:*:*:*
  • cpe:2.3:a:dani-garcia:vaultwarden:1.16.1:*:*:*:*:*:*:*
    cpe:2.3:a:dani-garcia:vaultwarden:1.16.1:*:*:*:*:*:*:*
  • cpe:2.3:a:dani-garcia:vaultwarden:1.16.2:*:*:*:*:*:*:*
    cpe:2.3:a:dani-garcia:vaultwarden:1.16.2:*:*:*:*:*:*:*
  • cpe:2.3:a:dani-garcia:vaultwarden:1.16.3:*:*:*:*:*:*:*
    cpe:2.3:a:dani-garcia:vaultwarden:1.16.3:*:*:*:*:*:*:*
  • cpe:2.3:a:dani-garcia:vaultwarden:1.17.0:*:*:*:*:*:*:*
    cpe:2.3:a:dani-garcia:vaultwarden:1.17.0:*:*:*:*:*:*:*
  • cpe:2.3:a:dani-garcia:vaultwarden:1.18.0:*:*:*:*:*:*:*
    cpe:2.3:a:dani-garcia:vaultwarden:1.18.0:*:*:*:*:*:*:*
  • cpe:2.3:a:dani-garcia:vaultwarden:1.19.0:*:*:*:*:*:*:*
    cpe:2.3:a:dani-garcia:vaultwarden:1.19.0:*:*:*:*:*:*:*
  • cpe:2.3:a:dani-garcia:vaultwarden:1.20.0:*:*:*:*:*:*:*
    cpe:2.3:a:dani-garcia:vaultwarden:1.20.0:*:*:*:*:*:*:*
  • cpe:2.3:a:dani-garcia:vaultwarden:1.21.0:*:*:*:*:*:*:*
    cpe:2.3:a:dani-garcia:vaultwarden:1.21.0:*:*:*:*:*:*:*
  • cpe:2.3:a:dani-garcia:vaultwarden:1.22.0:*:*:*:*:*:*:*
    cpe:2.3:a:dani-garcia:vaultwarden:1.22.0:*:*:*:*:*:*:*
  • cpe:2.3:a:dani-garcia:vaultwarden:1.22.1:*:*:*:*:*:*:*
    cpe:2.3:a:dani-garcia:vaultwarden:1.22.1:*:*:*:*:*:*:*
  • cpe:2.3:a:dani-garcia:vaultwarden:1.22.2:*:*:*:*:*:*:*
    cpe:2.3:a:dani-garcia:vaultwarden:1.22.2:*:*:*:*:*:*:*
  • cpe:2.3:a:dani-garcia:vaultwarden:1.23.0:*:*:*:*:*:*:*
    cpe:2.3:a:dani-garcia:vaultwarden:1.23.0:*:*:*:*:*:*:*
  • cpe:2.3:a:dani-garcia:vaultwarden:1.23.1:*:*:*:*:*:*:*
    cpe:2.3:a:dani-garcia:vaultwarden:1.23.1:*:*:*:*:*:*:*
  • cpe:2.3:a:dani-garcia:vaultwarden:1.24.0:*:*:*:*:*:*:*
    cpe:2.3:a:dani-garcia:vaultwarden:1.24.0:*:*:*:*:*:*:*
  • cpe:2.3:a:dani-garcia:vaultwarden:1.25.0:*:*:*:*:*:*:*
    cpe:2.3:a:dani-garcia:vaultwarden:1.25.0:*:*:*:*:*:*:*
  • cpe:2.3:a:dani-garcia:vaultwarden:1.25.1:*:*:*:*:*:*:*
    cpe:2.3:a:dani-garcia:vaultwarden:1.25.1:*:*:*:*:*:*:*
  • cpe:2.3:a:dani-garcia:vaultwarden:1.25.2:*:*:*:*:*:*:*
    cpe:2.3:a:dani-garcia:vaultwarden:1.25.2:*:*:*:*:*:*:*
  • cpe:2.3:a:dani-garcia:vaultwarden:1.26.0:*:*:*:*:*:*:*
    cpe:2.3:a:dani-garcia:vaultwarden:1.26.0:*:*:*:*:*:*:*
  • cpe:2.3:a:dani-garcia:vaultwarden:1.27.0:*:*:*:*:*:*:*
    cpe:2.3:a:dani-garcia:vaultwarden:1.27.0:*:*:*:*:*:*:*
  • cpe:2.3:a:dani-garcia:vaultwarden:1.28.0:*:*:*:*:*:*:*
    cpe:2.3:a:dani-garcia:vaultwarden:1.28.0:*:*:*:*:*:*:*
  • cpe:2.3:a:dani-garcia:vaultwarden:1.28.1:*:*:*:*:*:*:*
    cpe:2.3:a:dani-garcia:vaultwarden:1.28.1:*:*:*:*:*:*:*
  • cpe:2.3:a:dani-garcia:vaultwarden:1.29.0:*:*:*:*:*:*:*
    cpe:2.3:a:dani-garcia:vaultwarden:1.29.0:*:*:*:*:*:*:*
  • cpe:2.3:a:dani-garcia:vaultwarden:1.29.1:*:*:*:*:*:*:*
    cpe:2.3:a:dani-garcia:vaultwarden:1.29.1:*:*:*:*:*:*:*
  • cpe:2.3:a:dani-garcia:vaultwarden:1.29.2:*:*:*:*:*:*:*
    cpe:2.3:a:dani-garcia:vaultwarden:1.29.2:*:*:*:*:*:*:*
  • cpe:2.3:a:dani-garcia:vaultwarden:1.30.0:*:*:*:*:*:*:*
    cpe:2.3:a:dani-garcia:vaultwarden:1.30.0:*:*:*:*:*:*:*
  • cpe:2.3:a:dani-garcia:vaultwarden:1.30.1:*:*:*:*:*:*:*
    cpe:2.3:a:dani-garcia:vaultwarden:1.30.1:*:*:*:*:*:*:*
  • cpe:2.3:a:dani-garcia:vaultwarden:1.30.2:*:*:*:*:*:*:*
    cpe:2.3:a:dani-garcia:vaultwarden:1.30.2:*:*:*:*:*:*:*
  • cpe:2.3:a:dani-garcia:vaultwarden:1.30.3:*:*:*:*:*:*:*
    cpe:2.3:a:dani-garcia:vaultwarden:1.30.3:*:*:*:*:*:*:*
  • cpe:2.3:a:dani-garcia:vaultwarden:1.30.4:*:*:*:*:*:*:*
    cpe:2.3:a:dani-garcia:vaultwarden:1.30.4:*:*:*:*:*:*:*
  • cpe:2.3:a:dani-garcia:vaultwarden:1.30.5:*:*:*:*:*:*:*
    cpe:2.3:a:dani-garcia:vaultwarden:1.30.5:*:*:*:*:*:*:*
  • cpe:2.3:a:dani-garcia:vaultwarden:1.31.0:*:*:*:*:*:*:*
    cpe:2.3:a:dani-garcia:vaultwarden:1.31.0:*:*:*:*:*:*:*
  • cpe:2.3:a:dani-garcia:vaultwarden:1.32.0:*:*:*:*:*:*:*
    cpe:2.3:a:dani-garcia:vaultwarden:1.32.0:*:*:*:*:*:*:*
  • cpe:2.3:a:dani-garcia:vaultwarden:1.32.1:*:*:*:*:*:*:*
    cpe:2.3:a:dani-garcia:vaultwarden:1.32.1:*:*:*:*:*:*:*
  • cpe:2.3:a:dani-garcia:vaultwarden:1.32.2:*:*:*:*:*:*:*
    cpe:2.3:a:dani-garcia:vaultwarden:1.32.2:*:*:*:*:*:*:*
  • cpe:2.3:a:dani-garcia:vaultwarden:1.32.3:*:*:*:*:*:*:*
    cpe:2.3:a:dani-garcia:vaultwarden:1.32.3:*:*:*:*:*:*:*
  • cpe:2.3:a:dani-garcia:vaultwarden:1.32.4:*:*:*:*:*:*:*
    cpe:2.3:a:dani-garcia:vaultwarden:1.32.4:*:*:*:*:*:*:*
  • cpe:2.3:a:dani-garcia:vaultwarden:1.32.5:*:*:*:*:*:*:*
    cpe:2.3:a:dani-garcia:vaultwarden:1.32.5:*:*:*:*:*:*:*
  • cpe:2.3:a:dani-garcia:vaultwarden:1.32.6:*:*:*:*:*:*:*
    cpe:2.3:a:dani-garcia:vaultwarden:1.32.6:*:*:*:*:*:*:*
  • cpe:2.3:a:dani-garcia:vaultwarden:1.32.7:*:*:*:*:*:*:*
    cpe:2.3:a:dani-garcia:vaultwarden:1.32.7:*:*:*:*:*:*:*
  • cpe:2.3:a:dani-garcia:vaultwarden:1.33.0:*:*:*:*:*:*:*
    cpe:2.3:a:dani-garcia:vaultwarden:1.33.0:*:*:*:*:*:*:*
  • cpe:2.3:a:dani-garcia:vaultwarden:1.33.1:*:*:*:*:*:*:*
    cpe:2.3:a:dani-garcia:vaultwarden:1.33.1:*:*:*:*:*:*:*
  • cpe:2.3:a:dani-garcia:vaultwarden:1.33.2:*:*:*:*:*:*:*
    cpe:2.3:a:dani-garcia:vaultwarden:1.33.2:*:*:*:*:*:*:*
  • cpe:2.3:a:dani-garcia:vaultwarden:1.34.0:*:*:*:*:*:*:*
    cpe:2.3:a:dani-garcia:vaultwarden:1.34.0:*:*:*:*:*:*:*
  • cpe:2.3:a:dani-garcia:vaultwarden:1.34.1:*:*:*:*:*:*:*
    cpe:2.3:a:dani-garcia:vaultwarden:1.34.1:*:*:*:*:*:*:*

Protect Your Infrastructure against CVE-2026-26012: Combat Critical CVE Threats

Stay updated with real-time CVE vulnerabilities and take action to secure your systems. Enhance your cybersecurity posture with the latest threat intelligence and mitigation techniques. Develop the skills necessary to defend against CVEs and secure critical infrastructures. Join the top cybersecurity professionals safeguarding today's infrastructures.

Other 5 Recently Published CVEs Vulnerabilities

  • CVE-2026-2562 – A vulnerability was determined in JingDong JD Cloud Box AX6600 up to 4.5.1.r4533. This impacts the function cast_streen of the file /jdcapi of the ...
  • CVE-2026-2561 – A vulnerability was found in JingDong JD Cloud Box AX6600 up to 4.5.1.r4533. This affects the function web_get_ddns_uptime of the file /jdcapi of t...
  • CVE-2026-2447 – Heap buffer overflow in libvpx. This vulnerability affects Firefox < 147.0.4, Firefox ESR < 140.7.1, and Firefox ESR < 115.32.1.
  • CVE-2026-2032 – Malicious scripts that interrupt new tab page loading could cause desynchronization between the address bar and page content, allowing the attacker...
  • CVE-2026-2560 – A vulnerability has been found in kalcaddle kodbox up to 1.64.05. The impacted element is the function run of the file plugins/fileThumb/lib/VideoR...