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TI-2026-12899 Aliases CVE-2026-15326GHSA-9p22-639x-ghp4

halo-dev halo Theme Installation ThemeUtils.java ThemeUtils.unzipThemeTo path traversal

Priority MEDIUM 56CWE-22Published · Updated

Key facts

Attack vector
Network
Privileges required
High
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
—
Confidentiality · integrity · availability
None · Low · Low
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

A vulnerability was identified in halo-dev halo up to 2.24.2. This affects the function ThemeUtils.unzipThemeTo of the file ThemeUtils.java of the component Theme Installation. Such manipulation of the argument metadata.name leads to path traversal. The attack may be launched remotely. The exploit is publicly available and might be used. The project closed the issue as "duplicate" but did not reference any other issue, report, or CVE.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00537 45th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
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
halo-devhalo2.24.0; 2.24.1; 2.24.2—No fix listedCNA
  • halo Vendorhalo-dev Affected 2.24.0; 2.24.1; 2.24.2 Fixed in — No fix listed CNA

CPE names CNA · 1

CPEVersionsRoleVendor
cpe:2.3:a:halo:halo:*:*:*:*:*:*:*:*——halo-dev
  • cpe:2.3:a:halo:halo:*:*:*:*:*:*:*:* Versions — — ·halo-dev

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-15326
  2. 2026-10-03 Alias added: GHSA-9p22-639x-ghp4

References

  • TI-2025-28627 halo v2.20.17 and before is vulnerable to server-side request forgery (SSRF) in… CVSS 3.1CRITICAL 9.1
  • TI-2025-43155 An issue in halo v.2.22.4 and before allows a remote attacker to cause a denial of… CVSS 3.1HIGH 7.5
  • TI-2026-63962 halo-dev Halo SpEL ReplyNotificationSubscriptionHelper.java neutralization CVSS 4.0MEDIUM 6.9
  • TI-2024-29387 Halo's editor has a stored XSS vulnerability CVSS 3.1MEDIUM 6.4
  • TI-2024-29386 Halo's editor has a stored Cross-Site Scripting vulnerability CVSS 3.1MEDIUM 6.3
  • TI-2022-14503 Halo CMS v1.5.3 was discovered to contain an arbitrary file upload vulnerability via the… CVSS 3.1CRITICAL 9.8
See all 40 →

Sources