EM-20261113-U5YF
VulnerabilityHigh severity
Soup Sieve Vulnerability (CVE-2026-126190)
CVE-2026-126190
Status
Developing
Since : signals keep joining.
- First Signal
- Nov 12 17:17 UTCC6 NVD CVE API 2.0
- Page Born
- Nov 13 00:49 UTCsecond source joined
- Last Signal
- Nov 13 00:49 UTC15 hours before snapshot
- Sources
- 20 official · 2 research, news or crowd
- Open For
- 8 hoursso far
Life Of This Page
- 1BornA second, independent source names it.
- 2Developing · NowNew signals join; severity can move.
- 3ConfirmedNot yetCISA KEV lists it, or exploitation in the wild is reported.
- 4ResolvedNot yetPast the fix deadline and 14 days with no new signal.
- 5ArchivedNot yet30 days after resolved. Read only; the link keeps working. Reopens if it comes back.
The ID never changes, and earlier addresses keep working. A correction is logged, never overwritten. If two pages turn out to be one incident, the later one points to the earlier.
Vulnerability Lifecycle
- Disclosed: reachedNov 12 17:17 UTCC6 NVD published
- Scored: reachedNov 12 17:17 UTCCVSS 7.5
- Exploited: not yetNot yetNo exploitation reported
- Advisories: not yetNot yetNone yet
- Vendor Response: not yetNot yetNone in sources yet
- Resolved: not yetNot yetAfter 14 quiet days
Timeline
Point at a mark to read it. Squares are signals, colored by severity; every one is also listed under Signals.
Signals
- GHSA-mmhr-3c5m-f64f / CVE-2026-126190: Soup Sieve: Polynomial-time denial of service in the descendant combinator (opens source in a new tab) pip:soupsieve High severityDatabaseC26 GitHub Advisory Database
- CVE-2026-126190 (CVSS 7.5) (opens source in a new tab) Soup Sieve is a CSS selector library designed to be used with Beautiful Soup 4. Prior to 4.0, Soup Sieve repeatedly walks the same ancestors while matching descendant combinators, and each additional descendant… High severityDatabaseC6 NVD CVE API 2.0