Path traversal in uTox lets Tox friends write arbitrary files
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- Present
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA.
Summary
uTox through 0.18.1 contains a path traversal flaw (CWE-22) in file transfer handling. A Tox friend can write arbitrary files on a victim's system by sending absolute or ../ file names when the victim has auto-accept enabled. The attacker can overwrite shell startup files, and the CNA's description says this can lead to code execution.
Written with Claude Haiku 5.5 from the sources below · 2026-11-06
Description from the CNA
uTox through 0.18.1 contains a path traversal vulnerability that allows Tox friends to write arbitrary files by sending absolute or ../ file names to victims with auto-accept enabled. Attackers can overwrite shell startup files or plant crafted .ftinfo resume records that ft_find_resumeable() loads, abusing FILE pointers to write /proc/self/mem and execute code.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
The sources list no fixed version for uTox.
Written with Claude Haiku 5.5 from the sources below · 2026-11-06
Vendor assessments
Timeline
- 2026-10-20 Threatist record created from CVE-2026-113352
- 2026-10-20 Alias added: GHSA-pqrg-92p8-w72h
- 2026-10-20 CISA SSVC decision points changed
- 2026-10-20 Priority changed: MEDIUM → LOW
- 2026-11-06 Affected versions changed · Red Hat
- 2026-11-06 CVSS score added · Red Hat
References
Sources
- CVE-2026-113352 · CVE Program
- CVE-2026-113352 · NVD
- FIRST EPSS
- GHSA-pqrg-92p8-w72h · GitHub Advisory Database · CC BY 4.0
- CVE-2026-113352 · Red Hat security data · CC BY 4.0
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