CVE-2026-48912 Vulnerability Analysis & Exploit Details

CVE-2026-48912
Vulnerability Scoring

6.5
/10
High Risk

If left unpatched, CVE-2026-48912 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-2026-48912 Details

Status: Analyzed

Last updated: 🕡 06 Aug 2026, 18:38 UTC
Originally published on: 🕓 05 Aug 2026, 16:16 UTC

Time between publication and last update: 1 days

CVSS Release: version 3

CVSS3 Source

134c704f-9b21-4f2e-91b3-4a467353bcc0

CVSS3 Type

Secondary

CVSS3 Vector

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

CVE-2026-48912 Vulnerability Summary

CVE-2026-48912: Improper Input Validation vulnerability in Apache Answer. This issue affects Apache Answer: through 2.0.1. A missing ownership check in the avatar-cleanup logic allows any authenticated user to delete other users' uploaded files by supplying their file URLs. Users are recommended to upgrade to version 2.0.2, which fixes the issue.

Assessing the Risk of CVE-2026-48912

Access Complexity Graph

The exploitability of CVE-2026-48912 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-2026-48912

CVE-2026-48912 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-2026-48912, 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-2026-48912, showing how Confidentiality, Integrity, and Availability might be affected if the vulnerability is exploited. Higher values usually signal greater potential damage.

  • Confidentiality: None
    CVE-2026-48912 has no significant impact on data confidentiality.
  • Integrity: High
    CVE-2026-48912 could allow unauthorized modifications to data, potentially affecting system reliability and trust.
  • Availability: None
    CVE-2026-48912 does not impact system availability.

CVE-2026-48912 References

External References

CWE Common Weakness Enumeration

CWE-639

Vulnerable Configurations

  • cpe:2.3:a:apache:answer:-:*:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:-:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:0.2.0:*:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:0.2.0:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:0.3.0:*:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:0.3.0:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:0.4.0:*:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:0.4.0:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:0.4.1:*:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:0.4.1:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:0.4.2:*:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:0.4.2:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:0.5.0:*:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:0.5.0:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:1.0.0:*:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:1.0.0:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:1.0.1:*:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:1.0.1:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:1.0.2:*:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:1.0.2:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:1.0.3:*:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:1.0.3:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:1.0.4:*:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:1.0.4:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:1.0.5:*:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:1.0.5:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:1.0.6:*:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:1.0.6:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:1.0.7:*:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:1.0.7:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:1.0.8:*:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:1.0.8:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:1.0.9:*:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:1.0.9:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:1.1.0:-:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:1.1.0:-:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:1.1.0:beta1:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:1.1.0:beta1:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:1.1.0:beta2:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:1.1.0:beta2:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:1.1.1:*:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:1.1.1:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:1.1.2:*:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:1.1.2:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:1.1.3:*:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:1.1.3:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:1.2.0:-:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:1.2.0:-:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:1.2.0:rc1:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:1.2.0:rc1:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:1.2.1:-:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:1.2.1:-:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:1.2.1:rc1:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:1.2.1:rc1:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:1.2.5:*:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:1.2.5:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:1.3.0:-:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:1.3.0:-:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:1.3.0:rc1:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:1.3.0:rc1:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:1.3.1:-:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:1.3.1:-:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:1.3.1:rc1:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:1.3.1:rc1:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:1.3.1:rc2:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:1.3.1:rc2:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:1.3.5:-:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:1.3.5:-:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:1.3.5:rc1:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:1.3.5:rc1:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:1.3.6:*:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:1.3.6:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:1.4.0:-:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:1.4.0:-:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:1.4.0:rc1:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:1.4.0:rc1:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:1.4.1:-:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:1.4.1:-:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:1.4.1:rc1:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:1.4.1:rc1:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:1.4.1:rc2:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:1.4.1:rc2:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:1.4.2:*:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:1.4.2:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:1.4.2:-:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:1.4.2:-:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:1.4.2:rc1:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:1.4.2:rc1:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:1.4.2:rc2:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:1.4.2:rc2:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:1.4.5:-:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:1.4.5:-:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:1.4.5:rc1:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:1.4.5:rc1:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:1.5.0:-:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:1.5.0:-:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:1.5.0:rc1:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:1.5.0:rc1:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:1.5.1:-:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:1.5.1:-:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:1.5.1:rc1:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:1.5.1:rc1:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:1.6.0:-:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:1.6.0:-:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:1.6.0:rc1:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:1.6.0:rc1:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:1.7.0:-:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:1.7.0:-:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:1.7.0:rc1:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:1.7.0:rc1:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:1.7.1:-:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:1.7.1:-:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:1.7.1:rc1:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:1.7.1:rc1:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:1.7.1:rc2:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:1.7.1:rc2:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:2.0.0:-:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:2.0.0:-:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:2.0.0:rc1:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:2.0.0:rc1:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:2.0.0:rc2:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:2.0.0:rc2:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:2.0.1:-:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:2.0.1:-:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:2.0.1:rc1:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:2.0.1:rc1:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:2.0.1:rc2:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:2.0.1:rc2:*:*:*:*:*:*

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