-Docs @ v0.26.3
-Examples @ v0.26.3

Installation one-liner

kubectl apply -f https://infra.tekton.dev/tekton-releases/chains/previous/v0.26.3/release.yaml

Attestation

The Rekor UUID for this release is 108e9186e8c5677a48f46d165fc47afed5b254fe710ca6cc3d34f49019f2e53df43d1417a0877719

Obtain the attestation:

REKOR_UUID=108e9186e8c5677a48f46d165fc47afed5b254fe710ca6cc3d34f49019f2e53df43d1417a0877719
rekor-cli get --uuid $REKOR_UUID --format json | jq -r .Attestation | jq .

Verify that all container images in the attestation are in the release file:

RELEASE_FILE=https://infra.tekton.dev/tekton-releases/chains/previous/v0.26.3/release.yaml
REKOR_UUID=108e9186e8c5677a48f46d165fc47afed5b254fe710ca6cc3d34f49019f2e53df43d1417a0877719

# Obtains the list of images with sha from the attestation
REKOR_ATTESTATION_IMAGES=$(rekor-cli get --uuid "$REKOR_UUID" --format json | jq -r .Attestation | jq -r '.subject[]|.name + ":v0.26.3@sha256:" + .digest.sha256')

# Download the release file
curl -L "$RELEASE_FILE" > release.yaml

# For each image in the attestation, match it to the release file
for image in $REKOR_ATTESTATION_IMAGES; do
  printf $image; grep -q $image release.yaml && echo " ===> ok" || echo " ===> no match";
done

Changes

Security Fixes

• :hammer: [Release-v0.26.x] fix: CVE-2026-34986, CVE-2026-33211, & CVE-2026-33186 (#1630)

Thanks

Thanks to these contributors who contributed to v0.26.3!

• :heart: @anithapriyanatarajan
• :heart: @infernus01

Extra shout-out for awesome release notes:

• :heart_eyes: @anithapriyanatarajan
• :heart_eyes: @infernus01

Tekton Chains release v0.25.2

-Docs @ v0.25.2
-Examples @ v0.25.2

Installation one-liner

kubectl apply -f https://infra.tekton.dev/tekton-releases/chains/previous/v0.25.2/release.yaml

Attestation

The Rekor UUID for this release is 108e9186e8c5677ab39e35345194182802c6ea869f22ef31abb1d6cdeec12ef05964cb1b7580de89

Obtain the attestation:

REKOR_UUID=108e9186e8c5677ab39e35345194182802c6ea869f22ef31abb1d6cdeec12ef05964cb1b7580de89
rekor-cli get --uuid $REKOR_UUID --format json | jq -r .Attestation | jq .

Verify that all container images in the attestation are in the release file:

RELEASE_FILE=https://infra.tekton.dev/tekton-releases/chains/previous/v0.25.2/release.yaml
REKOR_UUID=108e9186e8c5677ab39e35345194182802c6ea869f22ef31abb1d6cdeec12ef05964cb1b7580de89

# Obtains the list of images with sha from the attestation
REKOR_ATTESTATION_IMAGES=$(rekor-cli get --uuid "$REKOR_UUID" --format json | jq -r .Attestation | jq -r '.subject[]|.name + ":v0.25.2@sha256:" + .digest.sha256')

# Download the release file
curl -L "$RELEASE_FILE" > release.yaml

# For each image in the attestation, match it to the release file
for image in $REKOR_ATTESTATION_IMAGES; do
  printf $image; grep -q $image release.yaml && echo " ===> ok" || echo " ===> no match";
done

Changes

Features

Fixes

Misc

• :hammer: [release-v0.25.x] fix: ci action for release branch (#1632)
• :hammer: [Release-v0.25.x] fix: CVE-2026-34986, CVE-2026-33211, CVE-2025-66506, & CVE-2026-33186 (#1631)

Docs

Thanks

Thanks to these contributors who contributed to v0.25.2!

• :heart: @anithapriyanatarajan
• :heart: @infernus01

Extra shout-out for awesome release notes:

• :heart_eyes: @anithapriyanatarajan
• :heart_eyes: @infernus01