Topydo Improper Input Validation vulnerability

published 2018-06-26 8y ago modified 2026-06-17 4mo ago also GHSA-h6h9-pphv-m266 , PYSEC-2018-76 , EUVD-2018-0140

cvss: 8.1; version 3.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 1.1%; EPSS 1.1% chance of exploitation in 30 days, percentile 67%
public exploits: 0; none known

topydo contains a CWE-20: Improper Input Validation vulnerability in ListFormatParser::parse, file topydo/lib/ListFormat.py line 292 as of d4f843dac71308b2f29a7c2cdc76f055c3841523 that can result in Injection of arbitrary bytes to the terminal, including terminal escape code sequences. This attack appear to be exploitable via The victim must open a todo.txt with at least one specially crafted line..

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Exploit prediction

1.15% chance of exploitation in the next 30 days, higher than 67% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
NVD	3.0	8.1	CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H
NVD	2.0	5.8	AV:N/AC:M/Au:N/C:N/I:P/A:P
GitHub	3.0	8.1	CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H

Affected packages

ecosystem	package	affected	fixed in
pypi	topydo	<=0.13 all versions	no fix listed

Classification

Weakness

CWE-20 Improper Input Validation

References

github.com /bram85/topydo/issues/240
web, third-party-advisory, report
github.com /bram85/topydo/blob/master/topydo/lib/ListFormat.py#L292
web, third-party-advisory
nvd.nist.gov /vuln/detail/CVE-2018-1000523
advisory
github.com /advisories/GHSA-h6h9-pphv-m266
advisory
github.com /bram85/topydo
package
github.com /pypa/advisory-database/tree/main/vulns/topydo/PYSEC-2018-76.yaml
web

Sources

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