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CVE-2026-56651

Arbitrary File Overwrite via Symlink Following in dool project

LOW
2
CVSS Score
Published: August 27, 2026 at 01:22 PM UTC
Updated: August 28, 2026 at 03:42 PM UTC
1 product affected across 1 vendorDool

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Severity
LOW2
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

Dool in versions up to 1.3.8 is vulnerable to symlink following when the "--devel" flag is used, as the application opens a log file without the "O_NOFOLLOW" flag. A local attacker can exploit this by creating a symlink at the expected log file path pointing to a sensitive file, causing dool to truncate and overwrite the target file with log data, which is especially impactful if dool is run with elevated privileges. The issue was addressed by pull request #116

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

Patch
Source: cverecord
https://github.com/scottchiefbaker/dool/pull/116
Third Party Advisory
Source: cverecord
https://cert.pl/en/posts/2026/08/CVE-2026-56651

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

2LOWCERT-PL
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-59

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