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TI-2024-17463 Aliases CVE-2024-26578GHSA-9q24-hwmc-797x

Apache Answer: Repeated submission at registration created duplicate users with the same name

Priority LOW 28CWE-362Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
High
Impact type
—
Confidentiality · integrity · availability
None · High · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and GitHub.

Summary

Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') vulnerability in Apache Answer.This issue affects Apache Answer: through 1.2.1. Repeated submission during registration resulted in the registration of the same user. When users register, if they rapidly submit multiple registrations using scripts, it can result in the creation of multiple user accounts simultaneously with the same name. Users are recommended to upgrade to version [1.2.5], which fixes the issue.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00895 59th percentileScored 2026-11-07
Fix Fixed github.com/apache/incubator-answer (Go): 1.2.5

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

VendorProductAffected versionsFixed inStatusSource
ApacheApache Answerup to 1.2.1—No fix listedCNA
—github.com/apache/incubator-answer (Go)before 1.2.51.2.5Patch availableGHSA-9q24-hwmc-797x
  • Apache Answer VendorApache Affected up to 1.2.1 Fixed in — No fix listed CNA
  • github.com/apache/incubator-answer (Go) Vendor— Affected before 1.2.5 Fixed in 1.2.5 Patch available GHSA-9q24-hwmc-797x

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:apache:answer:*:*:*:*:*:*:*:*up to 1.2.1VulnerableApache
  • cpe:2.3:a:apache:answer:*:*:*:*:*:*:*:* Versions up to 1.2.1 Vulnerable ·Apache

Remediation

  • Fix · GHSA-9q24-hwmc-797x github.com/apache/incubator-answer (Go) Fixed in 1.2.5 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2024-26578
  2. 2026-10-03 Alias added: GHSA-9q24-hwmc-797x

References

Advisory 3

Other 1

  • TI-2024-14967 Apache Answer: Pixel Flood Attack by uploading the large pixel file CVSS 3.1CRITICAL 9.1
  • TI-2026-42802 Apache Answer: Residual Administrative API Key Access After Role or Account Revocation CVSS 3.1CRITICAL 9.1
  • TI-2026-42790 Apache Answer: Unauthorized disclosure of deleted or pending answer content CVSS 3.1HIGH 7.5
  • TI-2026-36171 Apache Answer: Unauthenticated OAuth Email-Binding Account Takeover via Existing User Confirmation Flow CVSS 3.1HIGH 7.5
  • TI-2026-36100 Apache Answer: Denial of service via crafted Accept-Language header parsing CVSS 3.1HIGH 7.5
  • TI-2026-19940 Apache Answer: Revision API Improper Access Control leads to Information Disclosure CVSS 3.1HIGH 7.5
See all 23 →

Sources

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