CVE-2026-9358 (GCVE-0-2026-9358)
Vulnerability from cvelistv5
Published
2026-05-24 05:30
Modified
2026-06-15 07:21
Severity ?
VLAI Severity ?
EPSS score ?
Summary
A vulnerability was determined in postcss-selector-parser up to 6.1.2/7.1.2. Affected is the function toString of the file src/selectors/container.js of the component AST Serialization. Executing a manipulation can lead to uncontrolled recursion. It is possible to launch the attack remotely. The exploit has been publicly disclosed and may be utilized. Upgrading to version 6.1.3 and 7.1.3 is able to address this issue. This patch is called 5bc698cef66f8abd12610dc623e5d67cbc0f869d. It is suggested to upgrade the affected component. The vendor explains, that according to his definition "DoS on server-side on user-generated CSS is low risk for us (since most users compile own CSS with PostCSS)." The commits were backported to 6.x branch, which was the most downloaded version.
References
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Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| n/a | postcss-selector-parser |
Version: 6.1.0 Version: 6.1.1 Version: 6.1.2 Version: 7.1.0 Version: 7.1.1 Version: 7.1.2 cpe:2.3:a:postcss-selector-parser:postcss-selector-parser:*:*:*:*:*:*:*:* |
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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