CVE-2026-78208Disclosure

LOWCVSS 8.7 · HIGH

Signal is active with 1 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

exceljs through 4.4.0 contains a path traversal vulnerability in the Workbook.addImage() function that fails to validate file paths. Attackers can supply arbitrary file paths to read any file accessible to the Node.js process and embed it in the generated workbook.

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0.0/ 10 priority

Sources & remediation

Other references

Weakness type (CWE)

CWE-73

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Threat summary

1 mentions across 1 observed day

What's happening

Technical details provided in 1 signal
Disclosure: 1 classified signal
1 total mentions across 1 day

Deep dive

Activity timeline1 mentions / 1d

Signal classification1 categories

Disclosure

1100.0%

Referenced assets1 URL

By indicator

https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-78208

Full discourse1 post

Vulmon Vulnerability Feed@VulmonFeeds46d
Disclosure
CVE-2026-78208 Path Traversal in exceljs-hardened Before 5.0.0 Allows Arbitrary File Reading https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-78208
Post summary
The text announces a path‑traversal vulnerability in exceljs‑hardened (versions <5.0.0) that permits arbitrary file reading, with no mention of exploits or patches.
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4.1K followersView on X

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