CVE catalog
CVE-2026-71497
jsoup is a Java library for working with real-world HTML. From 1.14.3 until 1.23.1, jsoup's HTML parser could incorrectly handle a malformed tag name ending in a control character, causing the tag to
- Severity
- Medium · CVSS 4.7
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.30% · Oct 25, 2026
jsoup is a Java library for working with real-world HTML. From 1.14.3 until 1.23.1, jsoup's HTML parser could incorrectly handle a malformed tag name ending in a control character, causing the tag to acquire the parsing behavior of a different element. When a custom Safelist permits certain raw-text elements, this misparsing can cause content that should remain inert text to be emitted as active markup after serialization, potentially resulting in cross-site scripting. jsoup's built-in Safelists are not affected. This issue is fixed in version 1.23.1.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | jsoup | sid | 1.23.2-2 | fixed |
| Debian | jsoup | forky | 1.23.2-2 | fixed |
| Debian | jsoup | trixie | 1.15.3-1 | vulnerable |
| Debian | jsoup | bookworm | 1.15.3-1 | vulnerable |
| Maven | org.jsoup:jsoup | Not reported | 1.23.1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | jsoup | source | sid | 1.23.2-1 | not yet assigned | Not reported | [1143906] |
| Debian | jsoup | source | forky | 1.23.2-1 | not yet assigned | Not reported | [1143906] |
| Debian | jsoup | source | trixie | (unfixed) | not yet assigned | Not reported | [1143906] |
| Debian | jsoup | source | bookworm | (unfixed) | not yet assigned | Not reported | [1143906] |
| Maven | org.jsoup:jsoup | maven | Not reported | 1.23.1 | Not reported | Not reported | Not reported |
Notes
[trixie] jsoup: Minor issue [bookworm] jsoup: Minor issue
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [libjsoup-java]Affected
Source package: [jsoup]
Details (2)
1.15.3-1· all · bookwormAffected
nvd · jsoup · debian · bookworm; nvd · jsoup · debian · 12
1.15.3-1· all · bookwormAffected
nvd · jsoup · debian · bookworm; nvd · jsoup · debian · 12
- [libjsoup-java-doc]Affected
Source package: [jsoup]
Details (2)
1.15.3-1· all · bookwormAffected
nvd · jsoup · debian · bookworm; nvd · jsoup · debian · 12
1.15.3-1· all · bookwormAffected
nvd · jsoup · debian · bookworm; nvd · jsoup · debian · 12
[Debian 13 (Trixie)]
- [libjsoup-java]Affected
Source package: [jsoup]
Details (2)
1.15.3-1· all · trixieAffected
nvd · jsoup · debian · 13
1.15.3-1· all · trixieAffected
nvd · jsoup · debian · 13
- [libjsoup-java-doc]Affected
Source package: [jsoup]
Details (2)
1.15.3-1· all · trixieAffected
nvd · jsoup · debian · 13
1.15.3-1· all · trixieAffected
nvd · jsoup · debian · 13
Observed:
References
- [https://github.com/advisories/GHSA-pmhh-3w7g-xqp8]
- [https://github.com/jhy/jsoup/commit/92f1aca552548b484bc7d4b94c51e48b8e6eca70]
- [https://github.com/jhy/jsoup/issues/2538]
- [https://github.com/jhy/jsoup/releases/tag/jsoup-1.23.1]
- [https://github.com/jhy/jsoup/security/advisories/GHSA-pmhh-3w7g-xqp8]
- [https://nvd.nist.gov/vuln/detail/CVE-2026-71497]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2026-71497]
- [https://security-tracker.debian.org/tracker/CVE-2026-71497]
- [https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-71497.json]
- [https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-2698.json]
[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [GitHub Advisory Database] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX]