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Upgrade Jackson to latest 2.21.x (2.21.7) #1354

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@pjfanning

The 1.x line (1.4.x branch) uses Jackson 2.21.5 (jackson-databind and jackson-dataformat-xml, via jacksonDatabindVersion in project/Dependencies.scala). The latest 2.21.x patch release is 2.21.7.

Jackson has fixed multiple CVEs in recent releases, so we should pick up the latest 2.21.x patch for 1.5.0. Staying on the 2.21 line keeps this a patch-level dependency change for users of pekko-http-jackson.

main is already on 2.22.3, so this only affects the 1.x branch.

Activity

  1. added this to the 1.5.0 milestone on Oct 15, 2026
  2. added a commit that references this issue on Oct 23, 2026
    953022d
  3. pjfanning commented on Oct 26, 2026

    @pjfanning
    MemberAuthor

    #1363 merged

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