CVE-2026-3665Disclosure(xlnt-community / xlnt)

LOWCVSS 5.5 · MEDIUM

Signal is active with 2 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

A vulnerability was identified in xlnt-community xlnt up to 1.6.1. The affected element is the function xlnt::detail::xlsx_consumer::read_office_document of the file source/detail/serialization/xlsx_consumer.cpp of the component XLSX File Parser. The manipulation leads to null pointer dereference. The attack must be carried out locally. The exploit is publicly available and might be used.

0.0/ 10 priority

Sources & remediation

Weakness type (CWE)
CWE-404CWE-476

Priority

LOW

Exploitation

NONE

PoC

YES

Patch

NONE

Momentum

NONE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • xlnt

Threat summary

  • 2 mentions across 1 observed day

What's happening

  • Technical details provided in 2 signals
  • Disclosure: 2 classified signals
  • 2 total mentions across 1 day

Affected systems

Products
xlnt

Deep dive

Activity timeline2 mentions / 1d
01122Mentions · 2026-03-07: 2Technical Details · 2026-03-07: 203-07
Signal classification1 categories
Disclosure
2100.0%
Referenced assets2 URLs
Full discourse2 posts
  • CVE@CVEnew
    Disclosure

    CVE-2026-3665 A vulnerability was identified in xlnt-community xlnt up to 1.6.1. The affected element is the function xlnt::detail::xlsx_consumer::read_office_document of the file so… https://www.cve.org/CVERecord?id=CVE-2026-3665

    Post summary

    The post announces vulnerability CVE-2026-3665 affecting xlnt-community xlnt ≤1.6.1, specifying the vulnerable function but offering no PoC, exploit, patch, or evidence of active exploitation.

    0000095
    56.6K followersView on X
  • Vulmon Vulnerability Feed@VulmonFeeds
    Disclosure

    CVE-2026-3665 Local Null Pointer Dereference Vulnerability in xlnt-community xlnt up to 1.6.1 https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-3665

    Post summary

    The text discloses a local null pointer dereference vulnerability in xlnt-community's xlnt library (up to v1.6.1) identified as CVE-2026-3665, without additional information on patches, exploitation, or PoC.

    0000036
    4.0K followersView on X
CPE platform detail1 entries

1 of 1 entries

PartVendorProductVersionTarget SWTarget HW
Appxlnt-communityxlnt---

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