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CVE-2026-44896VulnerabilityPublished Updated

SUSE adr-viewer · Security update for python-mistune

Affects SUSE adr-viewerSource GCVE Database

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Mentioned vulnerabilities

Authoritative record:CVE-2026-44896· Medium 5.3

Not known to be exploited · CVSS 5.3 Medium · fixed in Ubuntu package updates : update SUSE adr-viewer when convenient.

Data as of 31 Oct 2026, 20:20 UTC

CVSS 4.0 base score
5.3Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.1% chance of exploitation in 30 days – higher than 9% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 1.4.0_5, 5.1.2_4
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 26 May 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 31 Oct 2026.

What to do

Upgrade adr-viewer to 1.4.0_5; recon-ng to 5.1.2_4.

Affected software

ProductAffectedFixed in
Homebrewadr-viewerpkg:brew/adr-viewerOther threatsAffected
  • >=1.3.0 <1.4.0_5
Fixed in
  • 1.4.0_5
Homebrewrecon-ngpkg:brew/recon-ngOther threatsAffected
  • >=5.1.1_1 <5.1.2_4
Fixed in
  • 5.1.2_4
Ubuntu 16.04 LTSmistunepkg:deb/ubuntu/mistune?arch=source&distro=xenialOther threatsAffected
  • =0.6-2
  • =0.7.1-1
Fixed in–
Ubuntu 18.04 LTSmistunepkg:deb/ubuntu/mistune?arch=source&distro=bionicOther threatsAffected
  • 0.7.4-1 – 0.8.3-2
4 affected builds
Fixed in–
Ubuntu 20.04 LTSmistunepkg:deb/ubuntu/mistune?arch=source&distro=focalOther threatsAffected
  • =0.8.4-1
  • =0.8.4-2
Fixed in–
Ubuntu 22.04 LTSmistunepkg:deb/ubuntu/mistune?arch=source&distro=jammyOther threatsAffected
  • =0.8.4-4
  • =0.8.4-5
  • =2.0.0-1+really0.8.4-1
Fixed in–

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

Description

This update for python-mistune fixes the following issues - CVE-2026-59922: quadratic-time parsing on long runs of some markers in `formatting.py` can lead to DoS (bsc#1271117). - CVE-2026-59923: `HTMLRenderer.safe_url()` does not block percent-encoded javascript URIs and allows for XSS (bsc#1271119). - CVE-2026-59924: improper processing of user-supplied include paths in `Include.parse()` can lead to path traversal and arbitrary file reads (bsc#1271121). - CVE-2026-59925: quadratic-time parsing on long runs of some emphasis pairs in `inline_parser` can lead to DoS (bsc#1271125). - CVE-2026-59926: improper escaping in `render_admonition()` can lead to atribute injection and XSS (bsc#1271127). - CVE-2026-59927: uncontrolled recursion when processing two markdown files that include each other can lead to a DoS (bsc#1271128). - CVE-2026-59928: quadratic-time parsing on long lists of repeated reference-link definitions in `block_parser` can lead to DoS (bsc#1271131). - CVE-2026-59929: HARMFUL_PROTOCOLS list misses legacy and chained schemes and allow arbitrary script execution in user agents (bsc#1271132). - CVE-2026-59930: the `toc` plugin and `TableOfContents` directive generate heading IDs with predictable values and allow for collisions with attacker-controlled `id="toc_N"` content (bsc#1271082).

References

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